|
| Study | Year | Place (country) | Population () | Database source | Type of readmission measure | Bias assessment of study |
|
| Sacco et al. [22] | 1991 | USA | 1,034 | Statewide Planning and Research Cooperative System (SPARCS) | 2-year all-cause readmission | |
| Smith et al. [13] | 2006 | USA | 44,099 | Medicare and Medicaid Databases | 30-day cause-specific and all-cause readmission | |
| Smith et al. [16] | 2005 | USA | 9003 | Medicare | 30-day all-cause readmission | |
| Ghose et al. [23] | 2005 | USA | 51,119 | Veterans Affair Administrative databases | 3-year all-cause readmission and cumulative LOS | |
| Johansen et al. [30] | 2006 | Canada | 32,107 | Canadian Institute for Health Information | 1-year all-cause readmission | |
| Caro et al. [8] | 2006 | Canada | 18,704 | Saskatchewan Health database | 5-year all-cause and readmission for cardiovascular | |
| McGuire et al. [4] | 2007 | Scotland | 9,598 | Scottish Medical Record Linkage System | 1-yr, 5-yr, and 11-yr readmission | |
| Bravata et al. [9] | 2007 | USA | 2,603 | Medicare and Medicaid Services | 5-yr all-cause readmission | |
| Brown et al. [31] | 2008 | USA | 642 | Medicaid | Readmission for fractures | |
| Tseng and Lin [6] | 2009 | Taiwan | 515 | Universal National Health Insurance | 1-year cause-specific readmission | |
| Allen et al. [17] | 2010 | USA | 895,916 | Medicare | 1-year readmission for recurrent stroke | |
| Burke et al. [26] | 2010 | USA | 1413 | Medicare and Medicaid Services | 1-year readmission (time to recurrent stroke) | |
| Howrey et al. [27] | 2011 | USA | 9185 | Medicare | 30-day all-cause readmission | |
| Gattellari et al. [28] | 2011 | Australia | 26,960 | Admitted Patient Data Collection | 90-day readmission to calculate cumulative LOS | |
| Lichtman et al. [18] | 2011 | USA | 37,469 | Medicare and Medicaid Services | 30-day all-cause readmission | |
| Lichtman et al. [19] | 2012 | USA | 10,267 | Medicare and Medicaid Services | 30-day risk-standardised readmission | |
| Palmer et al. [32] | 2013 | England | 91,936 | HES (Hospital Episode Statistics) | 30-day all-cause readmission | |
| Lichtman et al. [20] | 2013 | USA | 307,887 | Medicare | 30-day cause-specific readmission | |
| Ottenbacher et al. [21] | 2014 | USA | 155,476 | Medicare and Medicaid Services | 30-day cause-specific readmission | |
| Burke et al. [11] | 2014 | USA | 129,676 | State Inpatient Database (SID) | Unplanned 30-day readmission | |
| Chu et al. [33] | 2015 | USA | 17,3966 | California State Inpatient Database and State Emergency Department Database | 14-day readmission for infective endocarditis | |
| Andrews et al. [24] | 2015 | USA | 64,065 | State Inpatient database from Arkansas and Florida | 90-day all-cause readmission | |
| Lewsey et al. [25] | 2010 | Scotland | 51,182 | Scottish Morbidity Record Scheme | 1-year readmission rate for infective, gastrointestinal, and immobility complications | |
| Fehnel et al. [29] | 2015 | USA | 39,178 | Medicare linked to MDS (Minimum Data Set) | 30-day all-cause readmission | |
|
