Mark E Cohen

Summary

Affiliation: American College of Surgeons
Country: USA

Publications

  1. doi Effect of subjective preoperative variables on risk-adjusted assessment of hospital morbidity and mortality
    Mark E Cohen
    American College of Surgeons, 633 N Saint Clair Street, Chicago, IL, USA
    Ann Surg 249:682-9. 2009
  2. doi Effect of delay to operation on outcomes in adults with acute appendicitis
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, 633 N St Clair Street, Chicago, IL 60611
    Arch Surg 145:886-92. 2010
  3. doi Optimizing ACS NSQIP modeling for evaluation of surgical quality and risk: patient risk adjustment, procedure mix adjustment, shrinkage adjustment, and surgical focus
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611 3211, USA
    J Am Coll Surg 217:336-46.e1. 2013
  4. doi Risk adjustment in the American College of Surgeons National Surgical Quality Improvement Program: a comparison of logistic versus hierarchical modeling
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, 633 N Saint Clair St, 22nd Fl, Chicago, IL 60611 3211, USA
    J Am Coll Surg 209:687-93. 2009
  5. doi Development of an American College of Surgeons National Surgery Quality Improvement Program: morbidity and mortality risk calculator for colorectal surgery
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 6061 3211, USA
    J Am Coll Surg 208:1009-16. 2009
  6. ncbi Variability in length of stay after colorectal surgery: assessment of 182 hospitals in the national surgical quality improvement program
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611 3211, USA
    Ann Surg 250:901-7. 2009
  7. doi Association of surgical care improvement project infection-related process measure compliance with risk-adjusted outcomes: implications for quality measurement
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 211:705-14. 2010
  8. doi Comparison of 30-day outcomes after emergency general surgery procedures: potential for targeted improvement
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    Surgery 148:217-38. 2010
  9. doi Identification of specific quality improvement opportunities for the elderly undergoing gastrointestinal surgery
    David J Bentrem
    Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Arch Surg 144:1013-20. 2009
  10. doi Variation in quality of care after emergency general surgery procedures in the elderly
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 212:1039-48. 2011

Collaborators

Detail Information

Publications47

  1. doi Effect of subjective preoperative variables on risk-adjusted assessment of hospital morbidity and mortality
    Mark E Cohen
    American College of Surgeons, 633 N Saint Clair Street, Chicago, IL, USA
    Ann Surg 249:682-9. 2009
    ....
  2. doi Effect of delay to operation on outcomes in adults with acute appendicitis
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, 633 N St Clair Street, Chicago, IL 60611
    Arch Surg 145:886-92. 2010
    ..To examine the effect of delay from surgical admission to induction of anesthesia on outcomes after appendectomy for acute appendicitis in adults...
  3. doi Optimizing ACS NSQIP modeling for evaluation of surgical quality and risk: patient risk adjustment, procedure mix adjustment, shrinkage adjustment, and surgical focus
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611 3211, USA
    J Am Coll Surg 217:336-46.e1. 2013
    ..Finally, procedures have been developed to estimate surgical risk for individual patients. This article describes the development of, and justification for, these new statistical methods and reporting strategies in ACS NSQIP. ..
  4. doi Risk adjustment in the American College of Surgeons National Surgical Quality Improvement Program: a comparison of logistic versus hierarchical modeling
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, 633 N Saint Clair St, 22nd Fl, Chicago, IL 60611 3211, USA
    J Am Coll Surg 209:687-93. 2009
    ..Our objective was to evaluate differences in logistic versus hierarchical modeling for identifying hospitals with outlying outcomes in the ACS-NSQIP...
  5. doi Development of an American College of Surgeons National Surgery Quality Improvement Program: morbidity and mortality risk calculator for colorectal surgery
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 6061 3211, USA
    J Am Coll Surg 208:1009-16. 2009
    ..But currently available risk estimating systems have one or more limitations associated with lack of specificity to operation type, size of sample (reliability), range of outcomes predicted, and appreciation of hospital effects...
  6. ncbi Variability in length of stay after colorectal surgery: assessment of 182 hospitals in the national surgical quality improvement program
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611 3211, USA
    Ann Surg 250:901-7. 2009
    ..Our objective was to examine the feasibility of assessing LOS at 182 hospitals to identify institutions with outlying performance...
  7. doi Association of surgical care improvement project infection-related process measure compliance with risk-adjusted outcomes: implications for quality measurement
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 211:705-14. 2010
    ....
  8. doi Comparison of 30-day outcomes after emergency general surgery procedures: potential for targeted improvement
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    Surgery 148:217-38. 2010
    ....
  9. doi Identification of specific quality improvement opportunities for the elderly undergoing gastrointestinal surgery
    David J Bentrem
    Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Arch Surg 144:1013-20. 2009
    ..Specific complications occur more frequently in elderly patients undergoing major gastrointestinal (GI) tract operations that may represent opportunities for quality improvement...
  10. doi Variation in quality of care after emergency general surgery procedures in the elderly
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 212:1039-48. 2011
    ..To explore this hypothesis, we evaluated 30-day outcomes following EGS procedures in the young and the elderly and determined whether hospital performance was consistent across these 2 age strata...
  11. doi Comparison of postoperative complication risk prediction approaches based on factors known preoperatively to surgeons versus patients
    Allison R Dahlke
    Department of Surgery, Surgical Outcomes and Quality Improvement Center, Feinberg School of Medicine, Northwestern University, Chicago, IL
    Surgery 156:39-45. 2014
    ....
  12. doi Validity and feasibility of the american college of surgeons colectomy composite outcome quality measure
    Ryan P Merkow
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    Ann Surg 257:483-9. 2013
    ..To develop a reliable, robust, parsimonious, risk-adjusted 30-day composite colectomy outcome measure...
  13. doi The influence of resident involvement on surgical outcomes
    Mehul V Raval
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 212:889-98. 2011
    ..Although the training of surgical residents is often considered in national policy addressing complications and safety, the influence of resident intraoperative involvement on surgical outcomes has not been well studied...
  14. doi Improving American College of Surgeons National Surgical Quality Improvement Program risk adjustment: incorporation of a novel procedure risk score
    Mehul V Raval
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611 3211, USA
    J Am Coll Surg 211:715-23. 2010
    ..The purpose of this study was to improve standard ACS NSQIP risk adjustment using a novel procedure risk score...
  15. doi Effect of postdischarge morbidity and mortality on comparisons of hospital surgical quality
    Karl Y Bilimoria
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    Ann Surg 252:183-90. 2010
    ..Our objectives were (1) to determine the frequency of postdischarge complications and deaths and (2) to determine whether hospital rankings change with inclusion of postdischarge outcomes...
  16. pmc Development and evaluation of the universal ACS NSQIP surgical risk calculator: a decision aid and informed consent tool for patients and surgeons
    Karl Y Bilimoria
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL Surgical Outcomes and Quality Improvement Center, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL Electronic address
    J Am Coll Surg 217:833-42.e1-3. 2013
    ....
  17. doi Comparison of outlier identification methods in hospital surgical quality improvement programs
    Karl Y Bilimoria
    Division of Research and Optimal Patient Care, American College of Surgeons, 633 N St Clair Street, 22nd Floor, Chicago, IL 60611, USA
    J Gastrointest Surg 14:1600-7. 2010
    ..Our objective was to compare various methods used to classify hospitals as outliers in established surgical quality assessment programs by applying each approach to a single data set...
  18. doi Relevance of the c-statistic when evaluating risk-adjustment models in surgery
    Ryan P Merkow
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    J Am Coll Surg 214:822-30. 2012
    ....
  19. doi A current profile and assessment of north american cholecystectomy: results from the american college of surgeons national surgical quality improvement program
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 211:176-86. 2010
    ....
  20. ncbi Do cancer-specific variables improve risk-adjusted hospital quality comparisons?
    Ryan P Merkow
    Northwestern University Feinberg School of Medicine, Chicago, IL Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL Washington University School of Medicine, St Louis, MO David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA
    J Clin Oncol 30:585. 2012
    ..Our objectives were to assess the influence of cancer-related variables on postoperative complications and hospital quality comparisons...
  21. doi Profiling Individual Surgeon Performance Using Information from a High-Quality Clinical Registry: Opportunities and Limitations
    Bruce Lee Hall
    Department of Surgery, Washington University in St Louis the Center for Health Policy at Washington University in St Louis St Louis Veterans Affairs Medical Center and BJC Healthcare, St Louis, MO Olin Business School at Washington University in St Louis, St Louis, MO Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL Electronic address
    J Am Coll Surg 221:901-13. 2015
    ..There is increasing interest in profiling the quality of individual medical providers. Valid assessment of individuals should highlight improvement opportunities, but must be considered in the context of limitations...
  22. doi Association of the 2011 ACGME Resident Duty Hour Reform with Postoperative Patient Outcomes in Surgical Specialties
    Ravi Rajaram
    Division of Research and Optimal Patient Care, American College of Surgeons, Northwestern University, Feinberg School of Medicine, Chicago, IL Surgical Outcomes and Quality Improvement Center SOQIC, Department of Surgery and Center for Healthcare Studies in the Institute for Public Health and Medicine, Northwestern University, Feinberg School of Medicine, Chicago, IL Electronic address
    J Am Coll Surg 221:748-57. 2015
    ..The 2011 ACGME resident duty hour reform implemented additional restrictions to existing duty hour policies. Our objective was to determine the association between this reform and patient outcomes among several surgical specialties...
  23. doi Comparison of hospital performance in nonemergency versus emergency colorectal operations at 142 hospitals
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
    J Am Coll Surg 210:155-65. 2010
    ..However, information about the quality of emergency surgical care is lacking. The objective of this study was to assess whether hospitals have comparable outcomes for emergency and nonemergency operations...
  24. doi Underlying reasons associated with hospital readmission following surgery in the United States
    Ryan P Merkow
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Illinois2Surgical Outcomes and Quality Improvement Center SOQIC, Department of Surgery and Center for Healthcare Studies, Feinberg School of Medicine, Northwestern Uni
    JAMA 313:483-95. 2015
    ..Financial penalties for readmission have been expanded beyond medical conditions to include surgical procedures. Hospitals are working to reduce readmissions; however, little is known about the reasons for surgical readmission...
  25. doi Impact of hepatectomy surgical complexity on outcomes and hospital quality rankings
    Jennifer L Paruch
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    Ann Surg Oncol 21:1773-80. 2014
    ....
  26. doi Effect of cancer surgery complexity on short-term outcomes, risk predictions, and hospital comparisons
    Ryan P Merkow
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, Surgical Outcomes and Quality Improvement Center, Feinberg School of Medicine, Northwestern University and Northwestern Institute for Comparative Effectiveness Research in Oncology, Robert H Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Il Department of Surgery, University of Chicago Pritzker School of Medicine, Chicago, IL Electronic address
    J Am Coll Surg 217:685-93. 2013
    ....
  27. doi Post-discharge venous thromboembolism after cancer surgery: extending the case for extended prophylaxis
    Ryan P Merkow
    Department of Surgery, Jesse Brown VAMC, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
    Ann Surg 254:131-7. 2011
    ..To (1) define the frequency of overall and postdischarge venous thromboembolism (VTE) after cancer surgery, (2) identify VTE risk for individual cancer operations, and (3) assess mortality rates in patients who experienced a VTE...
  28. doi Development and Evaluation of the American College of Surgeons NSQIP Pediatric Surgical Risk Calculator
    Kari Kraemer
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL Electronic address
    J Am Coll Surg 223:685-693. 2016
    ..Our objective was to develop and evaluate a publicly available risk estimation tool that would cover many common pediatric surgical procedures across all specialties...
  29. doi Evaluation of the ProPublica Surgeon Scorecard "Adjusted Complication Rate" Measure Specifications
    Kristen A Ban
    American College of Surgeons, Chicago, Il Department of Surgery, Loyola University Medical Center, Maywood, Il Department of Surgery, University of California Los Angeles, Los Angeles, CA RAND Corporation, Boston, MA Brigham and Women s Hospital, Harvard Medical School, Boston, MA Surgical Outcomes and Quality Improvement Center, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Il Department of Surgery, Washington University in St Louis, St Louis, MO Center for Health Policy and the Olin Business School at Washington University in St Louis, St Louis, MO John Cochran Veterans Affairs Medical Center, St Louis, MO BJC Healthcare, St Louis, MO
    Ann Surg 264:566-74. 2016
    ....
  30. doi Does Performance Vary Within the Same Hospital When Separately Examining Different Patient Subgroups?
    Julia R Berian
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, University of Chicago Medical Center, Chicago, IL Surgical Outcomes and Quality Improvement, Department of Surgery and Northwestern Institute for Comparative Effectiveness Research in Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL Electronic address
    J Am Coll Surg 222:790-797.e1. 2016
    ..Our objectives were to determine whether performance differs within a given hospital for 6 contrasting patient subgroups and to identify the percentage of hospitals with greater than chance differences in performance...
  31. ncbi Effect of postoperative complications on adjuvant chemotherapy use in stage III colon cancer
    Ryan P Merkow
    Northwestern University Feinberg School of Medicine, Chicago, IL David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL
    J Clin Oncol 30:551. 2012
    ..Our objective was to evaluate the contribution of postoperative complications on the use of adjuvant therapy after colectomy for cancer...
  32. doi Risk of discharge to postacute care: a patient-centered outcome for the american college of surgeons national surgical quality improvement program surgical risk calculator
    Sanjay Mohanty
    Department of Surgery, Henry Ford Hospital, Detroit, Michigan2Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Illinois
    JAMA Surg 150:480-4. 2015
    ..Patient-centered outcomes should be incorporated into such tools to widen their appeal and improve their usability...
  33. doi Comparison of hospital performance in trauma vs emergency and elective general surgery: implications for acute care surgery quality improvement
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 45267 0558, USA
    Arch Surg 147:591-8. 2012
    ..We also evaluated the relationship between trauma and elective general surgery (ELGS) care, believing that performance would be similar across these services as it reflects institutional culture...
  34. doi Does hospital type affect pyloromyotomy outcomes? Analysis of the Kids' Inpatient Database
    Mehul V Raval
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    Surgery 148:411-9. 2010
    ..Pyloromyotomy is a common operative procedure performed on infants. The purpose of this study was to determine if hospital type affects lengths of stay (LOS), charges, and morbidity...
  35. doi Evaluation and Enhancement of Calibration in the American College of Surgeons NSQIP Surgical Risk Calculator
    Yaoming Liu
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL
    J Am Coll Surg 223:231-9. 2016
    ..Because lack of calibration can lead to systematic errors in assessing surgical risk, our objective was to assess calibration and determine whether spline-based adjustments could improve it...
  36. ncbi On-demand Reporting of Risk-adjusted and Smoothed Rates for Quality Profiling in ACS NSQIP
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, University of California Los Angeles David Geffen School of Medicine and the VA Greater Los Angeles Healthcare System, Los Angeles, CA Department of Surgery, Washington University in St Louis Center for Health Policy and the Olin Business School at Washington University in St Louis John Cochran Veterans Affairs Medical Center and BJC Healthcare, St Louis, MO
    Ann Surg 264:966-972. 2016
    ..These adjustments are included in ACS NSQIP reports, where hospital odds ratios (OR) are estimated using hierarchical models built on contemporaneous data. However, the timeliness of feedback remains an issue...
  37. doi Association of the 2011 ACGME resident duty hour reform with general surgery patient outcomes and with resident examination performance
    Ravi Rajaram
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Illinois2Surgical Outcomes and Quality Improvement Center SOQIC, Department of Surgery and Center for Healthcare Studies in the Institute for Public Health and Medicin
    JAMA 312:2374-84. 2014
    ..In 2011, the Accreditation Council for Graduate Medical Education (ACGME) restricted resident duty hour requirements beyond those established in 2003, leading to concerns about the effects on patient care and resident training...
  38. doi Comparison of outcomes after laparoscopic versus open appendectomy for acute appendicitis at 222 ACS NSQIP hospitals
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611, USA
    Surgery 148:625-35; discussion 635-7. 2010
    ....
  39. doi Effect of trauma center status on 30-day outcomes after emergency general surgery
    Angela M Ingraham
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL, USA
    J Am Coll Surg 212:277-86. 2011
    ..We hypothesized that EGS outcomes in TCs would be similar to outcomes in non-trauma centers (NTC); failure to support our hypothesis suggests that the effects of trauma performance improvement have extended beyond trauma patients...
  40. doi Improved Surgical Outcomes for ACS NSQIP Hospitals Over Time: Evaluation of Hospital Cohorts With up to 8 Years of Participation
    Mark E Cohen
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, David Geffen School of Medicine at University of California, Los Angeles, CA VA Greater Los Angeles Healthcare System, Los Angeles, CA Department of Surgery at Washington University, St Louis, MO Center for Health Policy and the Olin Business School at Washington University, St Louis, MO John Cochran Veterans Affairs Medical Center, and BJC Healthcare, St Louis, MO
    Ann Surg 263:267-73. 2016
    ..We report on long-term improvement in surgical outcomes associated with participation in ACS NSQIP...
  41. pmc Comparison of National Operative Mortality in Gastroenterological Surgery Using Web-based Prospective Data Entry Systems
    Takayuki Anazawa
    From the Member of Database Committee of Japanese Society of Gastroenterological Surgery TA, GW Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL JLP, CYK, MEC, LZ National Clinical Database, Tokyo, Japan HM, MG, NH, HK and Japanese Society of Gastroenterological Surgery, Tokyo, Japan HM, MG, HK, KS, MM
    Medicine (Baltimore) 94:e2194. 2015
    ..We demonstrated the feasibility and efficacy of the international collaborative research between Japan and the US, but found that local risk models remain essential for quality improvement. ..
  42. pmc Effect of wound classification on risk adjustment in American College of Surgeons NSQIP
    Mila H Ju
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL Surgical Outcomes and Quality Improvement Center, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL Northwestern Memorial Hospital, Chicago, IL Electronic address
    J Am Coll Surg 219:371-81.e5. 2014
    ..However, it can be subjective and could potentially improperly bias hospital quality comparisons. The objective is to examine the effect of wound classification on hospital performance risk-adjustment models...
  43. ncbi The American College of Surgeons National Surgical Quality Improvement Program: achieving better and safer surgery
    Clifford Y Ko
    Division of Research and Optimal Patient Care and The American College of Surgeons National Surgical Quality Improvement Program ACS NSQIP, American College of Surgeons, Chicago, USA
    Jt Comm J Qual Patient Saf 41:199-204. 2015
    ....
  44. doi Development of a model to predict breast cancer survival using data from the National Cancer Data Base
    Elliot A Asare
    Cancer Programs, American College of Surgeons, Chicago, Il Department of Surgery, Medical College of Wisconsin, Milwaukee, WI Electronic address
    Surgery 159:495-502. 2016
    ....
  45. doi A Comprehensive Evaluation of Statistical Reliability in ACS NSQIP Profiling Models
    Kristopher M Huffman
    Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, University of California Los Angeles David Geffen School of Medicine, and VA Greater Los Angeles Healthcare System, Los Angeles, CA and Department of Surgery, Washington University in St Louis Center for Health Policy and the Olin Business School at Washington University in St Louis John Cochran Veterans Affairs Medical Center and BJC Healthcare, St Louis, MO
    Ann Surg 261:1108-13. 2015
    ..To assess statistical reliability of hospital profiling models in ACS NSQIP (American College of Surgeons' National Surgical Quality Improvement Program)...
  46. doi Hospital-level Variation in Secondary Complications After Surgery
    Elliot Wakeam
    Center for Surgery and Public Health, Department of Surgery, Brigham and Women s Hospital, Boston, MA Department of Surgery, University of Toronto, Toronto, Canada Department of Anesthesiology, Mayo Clinic, Rochester, MN Division of Research Optimal Patient Care, American College of Surgeons, Chicago, Il Department of Surgery, University of California Los Angeles, Los Angeles, CA Washington University in Saint Louis, Department of Surgery School of Medicine, Olin Business School, and Center for Health Policy BJC Healthcare St Louis, MO Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT
    Ann Surg 263:493-501. 2016
    ..To assess whether hospital rates of secondary complications could serve as a performance benchmark and examine associations with mortality...
  47. ncbi Statistical modeling of dental unit water bacterial test kit performance
    Mark E Cohen
    Naval Institute for Dental and Biomedical Research Great Lakes, IL, USA
    J Clin Dent 18:39-44. 2007
    ..Studies were conducted on specimens with known bacterial concentrations, and from dental units, to evaluate test kit accuracy across a range of bacterial types and loads...