Methodological Issues when Studying Readmissions and ... - HCUP

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APPENDIX B. SUMMARY COUNTS OF REVIEWED JOURNAL ARTICLESType of articleNumber (Percent of total)Articles published between January 2000 and November 2010that used U.S. administrative hospital data to study repeat72 (100%)hospital visitsRegional representation of administrative data*National databases (Medicare claims data, NationalManaged Care Benchmark Database, Perspective Rx21 (29.2%)Comparative Database)State-level databases (HCUP or other state data) 19 (26.4%)Local data on a group of hospitals or a single hospital. 23 (31.9%)Other types of focused data (University Health SystemConsortium data, workers compensation data, Veterans6 (8.3%)Health Administration data)Could not be determined from abstract 3 (4.2%)Type of administrative dataStudies using inpatient data only 50 (69.4%)Studies using outpatient data only 3 (4.2%)Studies using inpatient and outpatient data 12 (16.7%)Could not be determined from abstract 7 (9.7%)Length of study periodLess than 1 year 1 (1.4%)1 year 20 (27.8%)1-2 years 2 (2.8%)2 years 7 (9.7%)3 or more years 34 (47.2%)Could not be determined from abstract 8 (11.1%).HCUP (02/25/11)B-1Method Series on Readmission and Revisit Analyses
APPENDIX C. LITERATURE REVIEW: STUDIES OF REPEAT HOSPITAL VISITSGoals of Literature ReviewIdentify journal articles published between January 2001 and November 2010 that use U.S.administrative data to study readmissions.Review Methods• Google scholarSearch terms: readmission administrative dataLimited to U.S. studies published between January 2007 and June 201022 articles reviewed18 relevant articles• PubMedSearch terms: hospital readmission, administrative dataLimited to U.S. studies published between January 2007 and June 201015 articles reviewed12 relevant articles• PubMedSearch terms: readmission AND administrative dataLimited to US studies published between 2001 and November 201030 articles reviewed27 relevant articles• PubMedSearch terms: readmission AND claim dataLimited to US studies published between 2001 and November 201012 articles reviewed12 relevant articles• HCUP-US Search of HCUP publicationsSearch term: readmission AND readmissions10 articles reviewed9 relevant articlesHCUP (02/25/11)C-1Method Series on Readmission and Revisit Analyses
Page 1 and 2: HCUP Methods Series
Page 3 and 4: TABLE OF CONTENTSIntroduction .....
Page 5 and 6: • Revisits - repeat hospital visi
Page 7 and 8: not releasable on publicly availabl
Page 9 and 10: There are two options for handling
Page 11 and 12: Medicare and Medicaid are considere
Page 13 and 14: cause. Within one month, the percen
Page 15 and 16: characteristics can change over tim
Page 17: APPENDIX A. HCUP DATA PARTNERSOnly
Page 21 and 22: de Lissovoy G, Zodet M, Coyne K, O'
Page 23 and 24: Lichtman JH, Jones SB, Watanabe E,
Page 25 and 26: Yermilov I, Bentrem D, Sekeris E, e
Page 27 and 28: Principal Findings: Among the patie
Page 29 and 30: Results: Among patients with diabet

Methodological Issues when Studying Readmissions and ... - HCUP

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