Nizar N Mahomed

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi Improving the postmarket surveillance of total joint arthroplasty devices
    Nizar N Mahomed
    Division of Orthopaedic Surgery, Toronto Western Hospital, University Health Network, University of Toronto, 399 Bathurst St, ECW 1 002, Toronto, Ontario, Canada M5T 2S8 Clinical Epidemiology and Health Care Research Program, Department of Health Administration, University of Toronto, Canada
    Open Rheumatol J 2:7-12. 2008
  2. ncbi Rates and outcomes of primary and revision total hip replacement in the United States medicare population
    Nizar N Mahomed
    Toronto Western Hospital, ON, Canada
    J Bone Joint Surg Am 85:27-32. 2003
  3. ncbi Patients' gender affected physicians' clinical decisions when presented with standardized patients but not for matching paper patients
    Cornelia M Borkhoff
    Centre for Global Health, Institute of Population Health, University of Ottawa, Ontario, Canada
    J Clin Epidemiol 62:527-41. 2009
  4. ncbi Asian ethnicity and the prevalence of metabolic syndrome in the osteoarthritic total knee arthroplasty population
    Rajiv Gandhi
    Division of Orthopedic Surgery, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
    J Arthroplasty 25:416-9. 2010
  5. ncbi Relationship between self-reported and performance-based tests in a hip and knee joint replacement population
    Rajiv Gandhi
    Division of Orthopaedic Surgery, University Health Network Department of Surgery, University of Toronto, Toronto, ON, Canada
    Clin Rheumatol 28:253-7. 2009
  6. ncbi Relationship between body habitus and joint leptin levels in a knee osteoarthritis population
    Rajiv Gandhi
    Division of Orthopaedic Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, East Wing 1 439, Toronto, Ontario M5T 2S8, Canada
    J Orthop Res 28:329-33. 2010
  7. ncbi Willingness to go through surgery again validated the WOMAC clinically important difference from THR/TKR surgery
    Bert M Chesworth
    School of Physical Therapy, Faculty of Health Sciences, University of Western Ontario, Elborn College, 1201 Western Road, London, Ontario, Canada
    J Clin Epidemiol 61:907-18. 2008
  8. ncbi The relation between body mass index and waist-hip ratio in knee osteoarthritis
    Rajiv Gandhi
    the Division of Orthopaedic Surgery, University Health Network and the Department of Surgery, University of Toronto, Toronto, Ont, Canada
    Can J Surg 53:151-4. 2010
  9. ncbi Quantifying the pain experience in hip and knee osteoarthritis
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    Pain Res Manag 15:224-8. 2010
  10. ncbi Metabolic syndrome and the incidence of symptomatic deep vein thrombosis following total knee arthroplasty
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, ON, Canada
    J Rheumatol 36:2298-301. 2009

Detail Information

Publications54

  1. ncbi Improving the postmarket surveillance of total joint arthroplasty devices
    Nizar N Mahomed
    Division of Orthopaedic Surgery, Toronto Western Hospital, University Health Network, University of Toronto, 399 Bathurst St, ECW 1 002, Toronto, Ontario, Canada M5T 2S8 Clinical Epidemiology and Health Care Research Program, Department of Health Administration, University of Toronto, Canada
    Open Rheumatol J 2:7-12. 2008
    ..To evaluate the FDA's approval process and postmarket surveillance strategies for THR devices...
  2. ncbi Rates and outcomes of primary and revision total hip replacement in the United States medicare population
    Nizar N Mahomed
    Toronto Western Hospital, ON, Canada
    J Bone Joint Surg Am 85:27-32. 2003
    ..The objective of this study was to characterize the rates and immediate postoperative outcomes of primary and revision total hip replacement in persons sixty-five years of age and older residing in the United States...
  3. ncbi Patients' gender affected physicians' clinical decisions when presented with standardized patients but not for matching paper patients
    Cornelia M Borkhoff
    Centre for Global Health, Institute of Population Health, University of Ottawa, Ontario, Canada
    J Clin Epidemiol 62:527-41. 2009
    ..To compare physicians' treatment and referral decisions for total knee arthroplasty (TKA) for standardized patients with matching paper patients...
  4. ncbi Asian ethnicity and the prevalence of metabolic syndrome in the osteoarthritic total knee arthroplasty population
    Rajiv Gandhi
    Division of Orthopedic Surgery, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
    J Arthroplasty 25:416-9. 2010
    ..1-3.8; P = .03) times greater odds of MS as compared with those of other ethnicity. Metabolic syndrome is a risk factor for OA, and Asians demonstrate a greater prevalence of MS as compared with whites and blacks in this population...
  5. ncbi Relationship between self-reported and performance-based tests in a hip and knee joint replacement population
    Rajiv Gandhi
    Division of Orthopaedic Surgery, University Health Network Department of Surgery, University of Toronto, Toronto, ON, Canada
    Clin Rheumatol 28:253-7. 2009
    ..004) and preoperative TUG scores (p < 0.0001). Given low-to-moderate relationship between self-reported and performance-based tools, both tests are needed to assess the true level of patient disability...
  6. ncbi Relationship between body habitus and joint leptin levels in a knee osteoarthritis population
    Rajiv Gandhi
    Division of Orthopaedic Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, East Wing 1 439, Toronto, Ontario M5T 2S8, Canada
    J Orthop Res 28:329-33. 2010
    ..05). WC may be a more accurate measure of body habitus than BMI in the relationship between the metabolic effects of adipose tissue and OA...
  7. ncbi Willingness to go through surgery again validated the WOMAC clinically important difference from THR/TKR surgery
    Bert M Chesworth
    School of Physical Therapy, Faculty of Health Sciences, University of Western Ontario, Elborn College, 1201 Western Road, London, Ontario, Canada
    J Clin Epidemiol 61:907-18. 2008
    ..The objective was to determine the clinically important difference (CID) from primary total hip replacement (THR) and total knee replacement (TKR) surgeries using the Western Ontario McMaster University (WOMAC) osteoarthritis index...
  8. ncbi The relation between body mass index and waist-hip ratio in knee osteoarthritis
    Rajiv Gandhi
    the Division of Orthopaedic Surgery, University Health Network and the Department of Surgery, University of Toronto, Toronto, Ont, Canada
    Can J Surg 53:151-4. 2010
    ..Our intent was to examine the relation between waist-hip ratio (WHR) and body mass index (BMI) as a measurement of body habitus in patients with end-stage knee osteoarthritis (OA)...
  9. ncbi Quantifying the pain experience in hip and knee osteoarthritis
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    Pain Res Manag 15:224-8. 2010
    ..Furthermore, the impact that mental health symptoms and catastrophizing had on these scales was investigated...
  10. ncbi Metabolic syndrome and the incidence of symptomatic deep vein thrombosis following total knee arthroplasty
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, ON, Canada
    J Rheumatol 36:2298-301. 2009
    ..We asked if patients with metabolic syndrome undergoing total knee replacement (TKR) have an increased risk for symptomatic deep vein thrombosis (DVT) at 3 months followup...
  11. ncbi Antibiotic bone cement and the incidence of deep infection after total knee arthroplasty
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, ON, Canada
    J Arthroplasty 24:1015-8. 2009
    ..84). Antibiotic-laden bone cement did not reduce the incidence of deep infection following primary total knee arthroplasty at 1-year follow-up...
  12. ncbi Waiting for hip revision surgery: the impact on patient disability
    Aileen M Davis
    Outcomes and Population Health, Arthritis Community Research and Evaluation Unit, University Health Network, Toronto Western Hospital, University of Toronto, Canada
    Can J Surg 51:92-6. 2008
    ..Additionally, the number of patients requiring revision of their initial TJA is increasing. The purpose of this study was to evaluate the wait times and impact of waiting for revision TJA...
  13. ncbi Greater perceived helplessness in osteoarthritis predicts outcome of joint replacement surgery
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    J Rheumatol 36:1507-11. 2009
    ....
  14. ncbi Ethnicity and patient's perception of risk in joint replacement surgery
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    J Rheumatol 35:1664-7. 2008
    ..Despite much evidence showing racial disparities in the use of surgical procedures, it is unknown whether ethnicity affects perception of surgical risk...
  15. ncbi Effect of sex and living arrangement on the timing and outcome of joint replacement surgery
    Rajiv Gandhi
    Department of Surgery, University of Toronto, Toronto, Ont
    Can J Surg 53:37-41. 2010
    ..We investigated the impact living status (alone or with another person) and sex on the timing and outcomes of hip and knee replacement surgery...
  16. ncbi The synovial fluid adiponectin-leptin ratio predicts pain with knee osteoarthritis
    Rajiv Gandhi
    Division of Orthopaedic Surgery, Toronto Western Hospital, University Health Network, Department of Surgery, University of Toronto, 399 Bathurst Street, East Wing 1 439, Toronto, ON, M5T 2S8, Canada
    Clin Rheumatol 29:1223-8. 2010
    ..03) but not the WOMAC pain scale (p=0.77). A greater A/L ratio was associated with less pain with severe knee OA and this metabolic pathway may represent a target for novel therapeutics...
  17. ncbi BMI independently predicts younger age at hip and knee replacement
    Rajiv Gandhi
    Division of Orthopaedic Surgery, University Health Network, Toronto, Ontario, Canada
    Obesity (Silver Spring) 18:2362-6. 2010
    ..05). Our study indicates that obese patients, especially those with a BMI ≥ 35 kg/m(2), presented for and underwent joint replacement surgery at a younger age as compared to nonobese patients...
  18. ncbi Variability in physician opinions about the indications for knee arthroplasty
    James G Wright
    The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G1X8, Canada
    J Arthroplasty 26:569-575.e1. 2011
    ..49). Although surgeons and referring physicians vary in their opinion, half of the variability could be attributed to individual physician inconsistency...
  19. ncbi Meta-analysis and systematic review of clinical outcomes comparing mobile bearing and fixed bearing total knee arthroplasty
    Holly Smith
    Division of Orthopaedic Surgery, Department of Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Arthroplasty 26:1205-13. 2011
    ..902, and P = .426 respectively). Similarly, the pooled data for ROM showed no difference between groups (P = .265). The results of this study found no significant differences between clinical outcomes of MB and FB TKA...
  20. ncbi Microarray analysis of the infrapatellar fat pad in knee osteoarthritis: relationship with joint inflammation
    Rajiv Gandhi
    Toronto Western Hospital, East Wing 1 439, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada
    J Rheumatol 38:1966-72. 2011
    ..To examine differences in genes involved in fat metabolism, energy homeostasis, adipogenesis, and inflammation between endstage and early-stage knee osteoarthritis (OA) infrapatellar fat pads (IFP)...
  21. ncbi Comparison of published orthopaedic trauma trials following registration in Clinicaltrials.gov
    Rajiv Gandhi
    Toronto Western Hospital EW 1 439, 399 Bathurst Street, Toronto, ON M5T 2S8, Canada
    BMC Musculoskelet Disord 12:278. 2011
    ..Our primary objective was to determine publication rates for orthopaedic trauma trials registered with ClinicalTrials.gov. We further evaluated methodological consistency between registration and publication...
  22. ncbi Comparison of arthroplasty trial publications after registration in ClinicalTrials.gov
    Holly N Smith
    Toronto Western Hospital EW 1 433, Toronto, Ontario, Canada
    J Arthroplasty 27:1283-8. 2012
    ..Registration of arthroplasty trials in CTG does not consistently result in publication or disclosure of results. In addition, changes are frequently made to the final presentation of the data that are not reflected in the trial registry...
  23. ncbi Metabolic syndrome and the functional outcomes of hip and knee arthroplasty
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Canada
    J Rheumatol 37:1917-22. 2010
    ..We investigated the influence of risk factors of metabolic syndrome (MetS) on patient function before and after hip and knee replacement surgery...
  24. ncbi Predicting the longer-term outcomes of total hip replacement
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    J Rheumatol 37:2573-7. 2010
    ..The objective of this study was to identify the patient-level predictors (age, sex, body mass index, mental health, and comorbidity) for a sustained functional outcome at a minimum 1 year of followup after total hip replacement (THR)...
  25. ncbi Epidemiology of total knee replacement in the United States Medicare population
    Nizar N Mahomed
    Musculoskeletal Health and Arthritis Program, Toronto Western Hospital, University Health Network, 399 Bathurst Street, University of Toronto, Toronto, Ontario M5T 2S8, Canada
    J Bone Joint Surg Am 87:1222-8. 2005
    ..In the United States, blacks and individuals with low income undergo total knee replacement less frequently and generally have higher rates of adverse outcomes following primary knee replacement...
  26. ncbi High-flexion implants in primary total knee arthroplasty: a meta-analysis
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Canada
    Knee 16:14-7. 2009
    ..We asked whether a high-flexion design implant improves patient functional outcomes or range of motion (ROM) after primary knee arthroplasty...
  27. ncbi Ethnic differences in the relationship between obesity and joint pain and function in a joint arthroplasty population
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Canada
    J Rheumatol 35:1874-7. 2008
    ..We investigated the influence of obesity on joint pain and function in Asians as compared to Caucasians with degenerative hip and knee arthritis...
  28. ncbi A pilot study of computed tomography-detected asymptomatic pulmonary filling defects after hip and knee arthroplasties
    Rajiv Gandhi
    Toronto Western Hospital, Toronto, Ontario, Canada
    J Arthroplasty 27:730-5. 2012
    ..Our study demonstrates a high rate of abnormal MDCT early after lower extremity arthroplasty, the clinical importance of which may be benign...
  29. ncbi Inpatient compared with home-based rehabilitation following primary unilateral total hip or knee replacement: a randomized controlled trial
    Nizar N Mahomed
    Toronto Western Hospital, University Health Network, 399 Bathurst Street, East Wing 1 435, Toronto, ON M5T 2S8, Canada
    J Bone Joint Surg Am 90:1673-80. 2008
    ..We evaluated the effectiveness and cost of care of home-based compared with inpatient rehabilitation following primary total hip or knee joint replacement...
  30. ncbi Hydroxyapatite coated femoral stems in primary total hip arthroplasty: a meta-analysis
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Ontario, Canada
    J Arthroplasty 24:38-42. 2009
    ..072 (95% CI: -0.062 to 0.206), P = .293. The results of this study demonstrate that there are no clinical benefits in the use of HA/porous coating over porous coating alone in primary hip arthroplasty...
  31. ncbi Complications after minimally invasive total knee arthroplasty as compared with traditional incision techniques: a meta-analysis
    Rajiv Gandhi
    Division of Orthopaedic Surgery, Department of Surgery, University Health Network, University of Toronto, Toronto, Canada
    J Arthroplasty 26:29-35. 2011
    ..05) and 0.79 (95% confidence interval, 0.34-1.82; P = .58), respectively. The standard difference in means for Knee Society scores was no different between groups. Minimally invasive knee surgery should be approached with caution...
  32. ncbi Topical application of tranexamic acid reduces postoperative blood loss in total knee arthroplasty: a randomized, controlled trial
    Jean Wong
    Department of Anesthesia, Toronto Western Hospital, University of Toronto, 2MC 434, 399 Bathurst Street, Toronto, ON M5T 2S8, Canada
    J Bone Joint Surg Am 92:2503-13. 2010
    ..The objective of the present trial was to assess the efficacy and safety of the topical application of tranexamic acid on postoperative blood loss in patients undergoing primary unilateral total knee arthroplasty with cement...
  33. ncbi Predicting patient dissatisfaction following joint replacement surgery
    Rajiv Gandhi
    Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
    J Rheumatol 35:2415-8. 2008
    ..The incidence of patient-reported dissatisfaction following total joint arthroplasty can be up to 30%. Our aim was to identify the preoperative patient-level predictors of patient dissatisfaction 1 year after surgery...
  34. ncbi In the eye of the beholder: preferences of patients, family physicians, and surgeons for lumbar spinal surgery
    S Samuel Bederman
    Department of Orthopaedic Surgery, University of California, San Francisco, CA 94143, USA
    Spine (Phila Pa 1976) 35:108-15. 2010
    ..Survey to all orthopedic and neurosurgeons, a random sample of family physicians (FPs) and patients in Ontario, Canada...
  35. ncbi Functional outcome of total knee arthroplasty after high tibial osteotomy
    Bob Karabatsos
    Department of Surgery, Toronto East General Hospital, University of Toronto, Ont
    Can J Surg 45:116-9. 2002
    ..To evaluate the functional outcome for patients who undergo total knee arthroplasty (TKA) after high tibial osteotomy (HTO)...
  36. ncbi Incorrect use of the student t test in randomized trials of bilateral hip and knee arthroplasty patients
    Rajiv Gandhi
    Division of Orthopaedic Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Arthroplasty 26:811-6. 2011
    ..The extent to which the incorrect use of this statistical test led to misleading conclusions is uncertain; however, our findings highlight the misuse of statistical tests in the arthroplasty literature...
  37. ncbi Expectations of recovery from revision knee replacement
    Viji Venkataramanan
    Toronto Rehabilitation Institute, 550 University Avenue, Toronto, Ontario, Canada M5G 2A2
    Arthritis Rheum 55:314-21. 2006
    ..03), LOT (P = 0.03), and interaction between concerns about surgery and general health were significant predictors. CONCLUSION: Clinicians need to understand and help patients shape appropriate expectations for recovery from revision TKR...
  38. ncbi The effect of patients' sex on physicians' recommendations for total knee arthroplasty
    Cornelia M Borkhoff
    Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ontario
    CMAJ 178:681-7. 2008
    ..The purpose of our study was to determine whether patients' sex affects physicians' decisions to refer a patient for, or to perform, total knee arthroplasty...
  39. ncbi Provider volumes and early outcomes of primary total joint replacement in Ontario
    J Michael Paterson
    The Institute for Clinical Evaluative Sciences, Toronto, Ont, Canada
    Can J Surg 53:175-83. 2010
    ..Given the recent increase in TJR, changing patient characteristics and small sizes of previous Ontario studies, we reassessed whether adverse outcomes of TJR are related to hospital and surgeon procedure volumes...
  40. ncbi Rehabilitation services following total joint replacement: a qualitative analysis of key processes and structures to decrease length of stay and increase surgical volumes in Ontario, Canada
    Carol Fancott
    Toronto Rehabilitation Institute and Department of Health Policy, Management, and Evaluation, University of Toronto, Toronto, ON, Canada
    J Eval Clin Pract 16:724-30. 2010
    ....
  41. ncbi Comparison of early and delayed fixation of subcapital hip fractures in patients sixty years of age or less
    Rina Jain
    University Health Network, Toronto Western Hospital, Ontario, Canada
    J Bone Joint Surg Am 84:1605-12. 2002
    ....
  42. ncbi The importance of patient expectations in predicting functional outcomes after total joint arthroplasty
    Nizar N Mahomed
    Division of Orthopaedic Surgery, Toronto Western Hospital, University of Toronto, ON, Canada
    J Rheumatol 29:1273-9. 2002
    ..Greater understanding of the relationship between expectations and outcomes may improve the process of care and outcomes of TJA...
  43. ncbi A single group follow-up study of non-surgical patients seen by physiotherapists working in expanded roles in orthopaedic departments: recall of recommendations, change in exercise and self-efficacy
    Crystal MacKay
    Division of Health Care and Outcomes Research and Arthritis Community Research and Evaluation Unit, Toronto Western Research Institute, Toronto, ON, Canada
    BMC Res Notes 5:669. 2012
    ....
  44. ncbi The role of surgeon volume on patient outcome in total knee arthroplasty: a systematic review of the literature
    Rick L Lau
    Division of Orthopaedics, Department of Surgery Kingston General Hospital, Queen s University, 76 Stuart St, Nickle 3, Rm 9 309, Kingston, ON K7L 2V7, Canada
    BMC Musculoskelet Disord 13:250. 2012
    ....
  45. ncbi Lumbar paravertebral nerve block in the management of pain after total hip and knee arthroplasty: a randomized controlled clinical trial
    Earl R Bogoch
    Division of Orthopaedic Surgery, Department of Surgery, St. Michael's Hospital, University of Toronto, Ontario, Canada
    J Arthroplasty 17:398-401. 2002
    ..Paravertebral nerve block of the lumbar plexus is an invasive procedure with some risk. Considering the added risk and minimal benefits, routine use of this procedure is not supported...
  46. ncbi Incidence rates of dislocation, pulmonary embolism, and deep infection during the first six months after elective total hip replacement
    Charlotte B Phillips
    Robert Breck Brigham Multipurpose Arthritis and Musculoskeletal Diseases Center, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA
    J Bone Joint Surg Am 85:20-6. 2003
    ..LEVEL OF EVIDENCE: Prognostic study, Level II-1 (retrospective study). See p. 2 for complete description of levels of evidence...
  47. ncbi Early failures of total hip replacement: effect of surgeon volume
    Elena Losina
    Department of Biostatistics, Boston University School of Public Health and Robert B Brigham Arthritis and Musculoskeletal Clinical Research Center, Boston, Massachusetts 02118, USA
    Arthritis Rheum 50:1338-43. 2004
    ..To determine whether provider volume is associated with early failures following total hip replacement (THR) requiring revision...
  48. ncbi The moving target: a qualitative study of elderly patients' decision-making regarding total joint replacement surgery
    Jocalyn P Clark
    BMJ Publishing Group, BMA House, Tavistock Square, London WC1H 9JR, United Kingdom
    J Bone Joint Surg Am 86:1366-74. 2004
    ..This process needs to be considered when developing ways to aid decision-making...
  49. ncbi Association between hospital and surgeon procedure volume and the outcomes of total knee replacement
    Jeffrey N Katz
    Division of Rheumatology, Immunology and Allergy, Brigham and Women s Hospital, Boston, MA 02115, USA
    J Bone Joint Surg Am 86:1909-16. 2004
    ..The relationship between hospital and surgeon volume and perioperative outcomes following total knee replacement has received little study...
  50. ncbi Association of hospital and surgeon volume of total hip replacement with functional status and satisfaction three years following surgery
    Jeffrey N Katz
    Division of Rheumatology, Immunology and Allergy, Brigham and Women s Hospital, 75 Francis Street, B 3, Boston, MA 02115, USA
    Arthritis Rheum 48:560-8. 2003
    ..To evaluate whether hospital volume and surgeon volume of total hip replacements (THRs) are associated with patient-reported functional status and satisfaction with surgery 3 years postoperatively...
  51. ncbi Bilateral total knee replacement: staging and pulmonary embolism
    Jane Barrett
    Department of Medicine, Dartmouth Medical School, 46 Centerra Parkway, Evergreen Building, Suite 300, Lebanon, NH 03766, USA
    J Bone Joint Surg Am 88:2146-51. 2006
    ..A greater risk of pulmonary embolism after simultaneous total knee replacement has been reported by some authors, but little national data are available...
  52. ncbi Neighborhoods matter: use of hospitals with worse outcomes following total knee replacement by patients from vulnerable populations
    Elena Losina
    Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA
    Arch Intern Med 167:182-7. 2007
    ....
  53. ncbi Association of hospital and surgeon procedure volume with patient-centered outcomes of total knee replacement in a population-based cohort of patients age 65 years and older
    Jeffrey N Katz
    Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    Arthritis Rheum 56:568-74. 2007
    ..To study the association between procedure volume and patient-centered outcomes such as functional status...
  54. ncbi Survival following total hip replacement
    Jane Barrett
    Department of Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, Evergreen Building, Suite 300, 46 Centerra Parkway, Lebanon, NH 03766, USA
    J Bone Joint Surg Am 87:1965-71. 2005
    ..The purpose of our investigation was to assess whether the association had the characteristics of a causal relationship or whether it might appear to be due to comorbidity or other factors...