Siran M Koroukian

Summary

Affiliation: Case Western Reserve University
Country: USA

Publications

  1. ncbi request reprint Diagnosis and treatment of gastroesophageal reflux disease in Ohio Medicaid patients: practice patterns and temporal trends
    Gregory S Cooper
    Department of Medicine, University Hospitals of Cleveland, Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
    Pharmacoepidemiol Drug Saf 13:21-7. 2004
  2. ncbi request reprint Context and healthcare access: looking beyond the individual
    David Litaker
    Department of Medicine, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio 44106, USA
    Med Care 43:531-40. 2005
  3. pmc Survival disparities by Medicaid status: an analysis of 8 cancers
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    Cancer 118:4271-9. 2012
  4. pmc Mental illness and use of screening mammography among Medicaid beneficiaries
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland OH 44106 4945, USA
    Am J Prev Med 42:606-9. 2012
  5. ncbi request reprint Analysis of injury- and violence-related fatalities in the Ohio Medicaid population: identifying opportunities for prevention
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Ohio 44106 4945, USA
    J Trauma 62:989-95. 2007
  6. pmc The utility of the state buy-in variable in the Medicare denominator file to identify dually eligible Medicare-Medicaid beneficiaries: a validation study
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, WG 49, Cleveland, OH 44106 4945, USA
    Health Serv Res 45:265-82. 2010
  7. ncbi request reprint Comorbidity, disability, and geriatric syndromes in elderly cancer patients receiving home health care
    Siran M Koroukian
    Division of Health Policy, Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University and the Center for Health Care Research, Cleveland, OH 44106 4945, USA
    J Clin Oncol 24:2304-10. 2006
  8. ncbi request reprint End-of-life expenditures by Ohio Medicaid beneficiaries dying of cancer
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH 44106 4945, USA
    Health Care Financ Rev 28:65-80. 2006
  9. ncbi request reprint Use of preventive services by Medicare fee-for-service beneficiaries: does spillover from managed care matter?
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    Med Care 43:445-52. 2005
  10. ncbi request reprint Screening mammography was used more, and more frequently, by longer than shorter term Medicaid enrollees
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    J Clin Epidemiol 57:824-31. 2004

Research Grants

Detail Information

Publications43

  1. ncbi request reprint Diagnosis and treatment of gastroesophageal reflux disease in Ohio Medicaid patients: practice patterns and temporal trends
    Gregory S Cooper
    Department of Medicine, University Hospitals of Cleveland, Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
    Pharmacoepidemiol Drug Saf 13:21-7. 2004
    ..There is a paucity of data about the use of procedures and prescription medications in the treatment of gastroesophageal reflux disease (GERD) in actual clinical practice...
  2. ncbi request reprint Context and healthcare access: looking beyond the individual
    David Litaker
    Department of Medicine, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio 44106, USA
    Med Care 43:531-40. 2005
    ..Whether these factors also represent "upstream" factors affecting one's ability to enter the healthcare system is less clear, however...
  3. pmc Survival disparities by Medicaid status: an analysis of 8 cancers
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    Cancer 118:4271-9. 2012
    ..A study was undertaken to compare survival and 5-year mortality by Medicaid status in adults diagnosed with 8 select cancers...
  4. pmc Mental illness and use of screening mammography among Medicaid beneficiaries
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland OH 44106 4945, USA
    Am J Prev Med 42:606-9. 2012
    ..However, whether these disparities extend to screening mammography among individuals experiencing comparable barriers to accessing care has not been examined fully...
  5. ncbi request reprint Analysis of injury- and violence-related fatalities in the Ohio Medicaid population: identifying opportunities for prevention
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Ohio 44106 4945, USA
    J Trauma 62:989-95. 2007
    ..To identify the leading causes of injury- and violence-related deaths in demographic subgroups of the population in Ohio, by Medicaid status...
  6. pmc The utility of the state buy-in variable in the Medicare denominator file to identify dually eligible Medicare-Medicaid beneficiaries: a validation study
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, WG 49, Cleveland, OH 44106 4945, USA
    Health Serv Res 45:265-82. 2010
    ..DATA SOURCE/STUDY SETTINGS: We used linked Medicare and Medicaid data from Michigan and Ohio for elders diagnosed with incident breast, prostate, or colorectal cancer between 1996 and 2001...
  7. ncbi request reprint Comorbidity, disability, and geriatric syndromes in elderly cancer patients receiving home health care
    Siran M Koroukian
    Division of Health Policy, Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University and the Center for Health Care Research, Cleveland, OH 44106 4945, USA
    J Clin Oncol 24:2304-10. 2006
    ..To assess the prevalence of comorbidity, disability, and geriatric syndromes, or a combination thereof, in elders with cancer receiving home health care (HHC)...
  8. ncbi request reprint End-of-life expenditures by Ohio Medicaid beneficiaries dying of cancer
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH 44106 4945, USA
    Health Care Financ Rev 28:65-80. 2006
    ....
  9. ncbi request reprint Use of preventive services by Medicare fee-for-service beneficiaries: does spillover from managed care matter?
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    Med Care 43:445-52. 2005
    ..However, the extent to which MCA is associated with the use of cancer screening by fee-for-service beneficiaries (FFS) is unclear...
  10. ncbi request reprint Screening mammography was used more, and more frequently, by longer than shorter term Medicaid enrollees
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    J Clin Epidemiol 57:824-31. 2004
    ..Whether LOE in Medicaid is also associated with the use of screening mammography (USM) is unclear, however. The objective was to determine whether USM among Medicaid beneficiaries is associated with LOE in Medicaid...
  11. pmc Ability of Medicare claims data to identify nursing home patients: a validation study
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106 4945, USA
    Med Care 46:1184-7. 2008
    ..There are currently no Medicare claims-based algorithms to identify patients receiving nursing home care (NHC). This constitutes an important limitation in outcome studies using population-based data...
  12. pmc Comorbidities, functional limitations, and geriatric syndromes in relation to treatment and survival patterns among elders with colorectal cancer
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    J Gerontol A Biol Sci Med Sci 65:322-9. 2010
    ..To examine patterns of colorectal cancer (CRC) treatment and survival in relation to comorbidities (COM), functional limitations (FL), and geriatric syndromes (GS)...
  13. doi request reprint Cancer stage comparison between dual Medicare-Medicaid eligibles using Medicaid as a supplemental health insurance program and low-income nonduals
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106, USA
    J Public Health Manag Pract 17:479-91. 2011
    ....
  14. pmc Assessment and interpretation of comorbidity burden in older adults with cancer
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA
    J Am Geriatr Soc 57:S275-8. 2009
    ....
  15. doi request reprint Identifying comorbidities in home health care patients: does the Outcome and Assessment Information Set have incremental value to Medicare claims data?
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Cancer Aging Program, Case Western Reserve University, Cleveland, Ohio 44106 4945, USA
    Home Health Care Serv Q 30:1-9. 2011
    ....
  16. pmc Complexity of care needs and unstaged cancer in elders: a population-based study
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, United States
    Cancer Detect Prev 31:199-206. 2007
    ..We aimed at examining the association between the patients' COCN at baseline and unstaged cancer...
  17. pmc Use of colonoscopy for polyp surveillance in Medicare beneficiaries
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals Case Medical Center, Case Western Reserve University and Case Comprehensive Cancer Center, Cleveland, Ohio
    Cancer 119:1800-7. 2013
    ..Professional society guidelines recommend follow-up colonoscopy for patients with resected colonic adenomas. However, adherence to guideline recommendations in routine clinical practice has not been well characterized...
  18. ncbi request reprint Failure to screen: predictors and burden of emergency colorectal cancer resection
    Jessica C Diggs
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Ave, Cleveland, OH 44106 4945, USA
    Am J Manag Care 13:157-64. 2007
    ..To evaluate predictors and burden of emergency colorectal cancer resection (E-CCR)...
  19. pmc Colorectal cancer screening in the elderly population: disparities by dual Medicare-Medicaid enrollment status
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106 4945, USA
    Health Serv Res 41:2136-54. 2006
    ..To assess the disparities in colorectal cancer (CRC) screening between elderly dual Medicare-Medicaid enrollees (or duals), the most vulnerable subgroup of the Medicare population, and nonduals...
  20. pmc Rehospitalization in a national population of home health care patients with heart failure
    Elizabeth A Madigan
    Frances Payne Bolton School of Nursing, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4904, USA
    Health Serv Res 47:2316-38. 2012
    ..e., area variation) factors related to 30-day rehospitalization in a national population of HHC patients with HF, and to describe the extent to which rehospitalizations were potentially avoidable...
  21. pmc Racial disparities in functional disability among older women with newly diagnosed nonmetastatic breast cancer
    Cynthia Owusu
    Division of Hematology Oncology, Department of Medicine, Case Western Reserve School of Medicine, Cleveland, Ohio Case Comprehensive Cancer Center, Cleveland, Ohio
    Cancer 119:3839-46. 2013
    ..This study sought to assess racial differences in functional disability among older women with nonmetastatic breast cancer...
  22. pmc Prevalence and predictors of interval colorectal cancers in medicare beneficiaries
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals Case Medical Center, Cleveland, Ohio 44106 5066, USA
    Cancer 118:3044-52. 2012
    ..After a colonoscopy that is negative for cancer, a subset of patients may be diagnosed with colorectal cancer, also termed interval cancer. The frequency and predictors have not been well studied in a population-based US cohort...
  23. ncbi request reprint The sensitivity of Medicare data for identifying incident cases of invasive melanoma (United States)
    David A Barzilai
    Skin Diseases Research Center, University Hospitals of Cleveland, Case Western Reserve University, Cleveland OH 44106, USA
    Cancer Causes Control 15:179-84. 2004
    ..The completeness of Medicare claims for identifying patients with melanoma for purposes of conducting population-based studies of melanoma is unknown...
  24. pmc Ability of Medicaid claims data to identify incident cases of breast cancer in the Ohio Medicaid population
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH 44106 4945, USA
    Health Serv Res 38:947-60. 2003
    ..The use of Medicaid data to study cancer-related outcomes would be highly desirable. However, the accuracy of Medicaid claims data in the identification of incident cases of breast cancer is unknown...
  25. ncbi request reprint Racial disparities in the use of and indications for colorectal procedures in Medicare beneficiaries
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals of Cleveland, 11100 Euclid Avenue, Cleveland, OH 44106 5066, USA
    Cancer 100:418-24. 2004
    ..African Americans are diagnosed more frequently with colorectal carcinoma at a later stage compared with Caucasians. One potential reason for the disparity is a lower rate of screening examinations...
  26. ncbi request reprint Racial differences in lipid-lowering agent use in medicaid patients with cardiovascular disease
    David Litaker
    Department of Medicine, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Med Care 42:1009-18. 2004
    ..Racial differences in chronic cardiovascular disease (CVD) outcomes are well described, whereas less is known about the process of CVD preventive care and its potential contribution to disparate outcomes...
  27. pmc Defining incident cases of epilepsy in administrative data
    Paul M Bakaki
    Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, United States
    Epilepsy Res 106:273-9. 2013
    ..To determine the minimum enrollment duration for identifying incident cases of epilepsy in administrative data...
  28. pmc Management of malignant colonic polyps: a population-based analysis of colonoscopic polypectomy versus surgery
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals Case Medical Center, Cleveland, Ohio 44106 5066, USA
    Cancer 118:651-9. 2012
    ..The management of colon polyps containing invasive carcinoma includes surgical resection or colonoscopic polypectomy. To date, there are very limited population-based data comparing outcomes with the 2 management approaches...
  29. ncbi request reprint Assessing the effectiveness of Medicaid in breast and cervical cancer prevention
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 4945, USA
    J Public Health Manag Pract 9:306-14. 2003
    ..Although these results reflect positively on the effectiveness of the Medicaid program in cancer prevention, they also provide support to further enhance cancer-screening efforts in the Medicaid population...
  30. pmc Radiotherapy and survival in prostate cancer patients: a population-based study
    Esther H Zhou
    Department of Urology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
    Int J Radiat Oncol Biol Phys 73:15-23. 2009
    ....
  31. doi request reprint Examining the characteristics of unstaged colon and rectal cancer cases
    Julie L Worthington
    Division of Gastroenterology, Case Western Reserve University, Cleveland, OH 44106 4952, USA
    Cancer Detect Prev 32:251-8. 2008
    ..The objective of the study was to identify which stage components were missing, to characterize and to identify predictors of unstaged cancer, and to evaluate prognosis of unstaged in colon and rectal cancer patients...
  32. pmc Predictors of functional capacity changes in a US population of Medicare home health care (HHC) patients with heart failure (HF)
    Elizabeth A Madigan
    Frances Payne Bolton School of Nursing, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 441065 4904, USA
    Arch Gerontol Geriatr 54:e300-6. 2012
    ..Promoting functional capacity is an important priority particularly in HHC. The purpose of the study was to examine predictors of functional capacity change among HHC patients with HF...
  33. ncbi request reprint Relative risk of postpartum complications in the Ohio Medicaid population: vaginal versus cesarean delivery
    Siran M Koroukian
    Case Western Reserve University, Cleveland, USA
    Med Care Res Rev 61:203-24. 2004
    ..These findings are of particular relevance in light of the substantial proportion of repeat C-sections performed on an elective basis...
  34. ncbi request reprint Geographic variation among Medicare beneficiaries in the use of colorectal carcinoma screening procedures
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals of Cleveland, Cleveland, Ohio 044106 5066, USA
    Am J Gastroenterol 99:1544-50. 2004
    ..To study geographic variation in the use of recommended screening procedures for colorectal carcinoma...
  35. pmc Cancer in the elderly
    Nathan A Berger
    Case Comprehensive Cancer Center, Case Western Reserve University, School of Medicine, Cleveland, Ohio 44106 4971, USA
    Trans Am Clin Climatol Assoc 117:147-55; discussion 155-6. 2006
    ..Studies will be addressed in the high priority research areas of 1) Treatment Efficacy and Tolerance, 2) Effects of Comorbidities, 3) Psychosocial Issues, and 4) Biology of Aging Cancer...
  36. ncbi request reprint Managed care discounting: evidence from the MarketScan database
    Avi Dor
    Department of Economics, Weatherhead School of Management, Case Western Reserve University, Cleveland, OH 44128 4945, USA
    Inquiry 41:159-69. 2004
    ..Our results are in general agreement with earlier work by Cutler, McClellan, and Newhouse (2000), who show that managed care discounts are "real," after accounting for case severity and process of care...
  37. pmc Disparities in access to specialized epilepsy care
    Nicholas K Schiltz
    Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, United States
    Epilepsy Res 107:172-80. 2013
    ..To examine the impact of individual and community characteristics on access to specialized epilepsy care...
  38. pmc Patient vs provider characteristics impacting hospital lengths of stay after total knee or hip arthroplasty
    Joseph F Styron
    Department of Epidemiology and Biostatistics, School of Medicine, Wood Building WG 57, Case Western Reserve University, Cleveland, Ohio 44106 4945, USA
    J Arthroplasty 26:1418-26.e1-2. 2011
    ..4%) and low surgeon volume among provider-level characteristics (+18.8%). Provider-level characteristics, particularly provider volume, had a greater impact on length of stay...
  39. pmc Health state information derived from secondary databases is affected by multiple sources of bias
    Darcey D Terris
    Division of Health Services Research and Policy, Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    J Clin Epidemiol 60:734-41. 2007
    ....
  40. ncbi request reprint The "Adequacy of Prenatal Care Utilization" (APNCU) index to study low birth weight: is the index biased?
    Siran M Koroukian
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, USA
    J Clin Epidemiol 55:296-305. 2002
    ..We recommend that the use of the APNCU Index to study the association between prenatal resource utilization and LBW be discontinued...
  41. doi request reprint Adherence to surgical care improvement project measures and the association with postoperative infections
    Jonah J Stulberg
    Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    JAMA 303:2479-85. 2010
    ..However, an association between SCIP performance and clinical outcomes has not been demonstrated...
  42. ncbi request reprint Racial disparities in health care
    Siran M Koroukian
    JAMA 287:2942; author reply 2943. 2002
  43. ncbi request reprint Trends in home diagnostic testing for medicare beneficiaries
    Steven H Landers
    J Am Geriatr Soc 55:138-40. 2007

Research Grants3

  1. Cancer-Related Disparities in the Elderly Population
    Siran Koroukian; Fiscal Year: 2007
    ..abstract_text> ..