Table 3.
Outcome characteristics for studies for readmissions for THA.
| Study | Outcome: Readmission - Single Measure or Composite (Readmission, Mortality, Complications Requiring Readmission) | Readmission type: All-or-any Cause or Other | Readmission Days | Observed Readmission Rate (%) | C-statistics or AUC for Validation Cohort |
|---|---|---|---|---|---|
| (Higuera, Elsharkawy et al., 2011)-a (THA subgroup) | Composite – complications | All | 90 | 9.4 | NR |
| (Khan, Hossain et al., 2012) | Single | All | 28 | 11.8 | NR |
| (Clement, Derman et al., 2013) | Single | All | 30 | 6.5 | NR |
| (Pugely, Callaghan et al., 2013)-a (THA subgroup) | Composite – complications | All | 30 | 4.2 | NR |
| (Mednick, Alvi et al., 2014) | Single | All | 30 | 3.7 | 0.737 |
| (Schairer, Sing et al., 2014) | Composite – complications | All | 30 and 90 | 4.0 and 8.0 | NR |
| (Basques, Bohl et al., 2015) | Single | All | 30 | 10.0 | NR |
| (Heyes, Tucker et al., 2015) | Single | All | 365 | 21.0 | NR |
| (Stavrakis, SooHoo et al., 2015) | Composite – complications | All | 30 | 3.9 | NR |
| (Martin, Gao et al., 2016) | Single | All | 30 | 8.5 | NR |
| (Siracuse and Chamberlain 2016) | Single | All | 30 | 5.9 | NR |
| (Weiss, Garellick et al., 2016) | Composite – readmission, mortality | Other –cardiovascular | 90 | 30.2 | NR |
| (Ali, Loeffler et al., 2017) | Single | All | 30 | 5.9 | NR |
| (Shah, Keswani et al., 2017) | Single | All | 30 | 9.8 | NR |
| (Sofu, Üçpunar et al., 2017) | Single | All | 30 | 12.2 | NR |
| (Cantrell, DeBell et al., 2018) | Single | All | 30 | 8.5 | NR |
| (Kimball, Nichols et al., 2018)-a (THA subgroup) | Single | All | 30 | 6.7 | NR |
| (White, Sastow et al., 2018)-a (30-day readmissions) | Single | All | 30 | 5.6 | 0.681 |
| (White, Sastow et al., 2018)-b (90-day readmissions) | Single | All | 90 | 10.2 | 0.660 |
| (Zmistowski, Restrepo et al., 2013) | Composite – complications | All | 30 and 90 | 3.1 and 5.3 | NR |
| (Mesko, Bachmann et al., 2014) | Single | All | 30 | 3.6 | 0.760 |
| (Tiberi, Hansen et al., 2014) (Only for cirrhosis patients undergoing THKA) | Composite – complications | All | 90 | 10.0 | NR |
| (Ricciardi, Oi et al., 2017) | Single | All | 30 | 0.3 | NR |
| (Sher, Keswani et al., 2017) | Composite – complications | All | 30 | 1.9 | NR |
| (Yao, Keswani et al., 2017)-a (THA subgroup) | Composite – complications | All | 30 | 3.1 | NR |
| (Schroer, Diesfield et al., 2018) | Composite – complications | All | 90 | 8.4 | NR |
| (Swenson, Bastian et al., 2018)-a (30-day readmissions) | Single | All | 90 | 3.4 | NR |
| (Swenson, Bastian et al., 2018)-b (90-day readmissions) | Single | All | 90 | 5.7 | NR |
AUC: Area Under Curve; NR: Not Reported; THA: Total Hip Arthroplasty.