Research Topics
| Z YuanSummaryAffiliation: Case Western Reserve University Country: USA Publications
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Detail Information
Publications
The association between hospital type and mortality and length of stay: a study of 16.9 million hospitalized Medicare beneficiariesZ Yuan
Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, Ohio 44109 1998, USA
Med Care 38:231-45. 2000..To examine the association between hospital type and mortality and length of stay using hospitalized Medicare beneficiaries for a 10-year period...
Effects of alcohol-related disease on hip fracture and mortality: a retrospective cohort study of hospitalized Medicare beneficiariesZ Yuan
Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
Am J Public Health 91:1089-93. 2001..This study investigated the effect of alcohol-related disease on hip fracture and mortality...
The sensitivity of Medicare claims data for case ascertainment of six common cancersG S Cooper
Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
Med Care 37:436-44. 1999..Although Medicare claims data have been used to identify cases of cancer in older Americans, there are few data about their relative sensitivity...
The utility of Medicare claims data for measuring cancer stageG S Cooper
Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
Med Care 37:706-11. 1999..The validity of using claims data for measuring tumor stage, one of the most important determinants of choice of therapy and long-term survival, is unknown...
Lack of gender and racial differences in surgery and mortality in hospitalized Medicare beneficiaries with bleeding peptic ulcerG S Cooper
Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
J Gen Intern Med 12:485-90. 1997..The findings raise the possibility that studies that have shown race and gender differences in management of coronary artery disease and cancer may not be generalizable to other common diagnoses...
Determination of county-level prostate carcinoma incidence and detection rates with Medicare claims dataG S Cooper
Department of Medicine and the Cancer Research Center, Case Western Reserve University, Cleveland, Ohio, USA
Cancer 92:102-9. 2001..The availability of such data could identify those regions with a disproportionately high cancer incidence as well as the population-level association between prostate carcinoma detection and incidence...
Agreement of Medicare claims and tumor registry data for assessment of cancer-related treatmentG S Cooper
Department of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
Med Care 38:411-21. 2000..Although health claims data are increasingly used in evaluating variations in patterns of cancer care and outcomes, little is known about the comparability of these data with tumor registry information...
Risk of stroke in patients with atrial flutterL A Biblo
Department of Medicine, Heart and Vascular Research Center, Cleveland, Ohio, USA
Am J Cardiol 87:346-9, A9. 2001..56) than patients with atrial flutter who never had a subsequent episode of atrial fibrillation (RR = 1.11)...
