Table 2. Results of All Meta-analyses.
| Outcome (model) | No. of studies | No. of patients | Effect size (95% CI) | I2 (95% CI), % |
|---|---|---|---|---|
| Combined hospital and ED readmissions (random-effects) | 14 | 32 497 | OR, 1.66 (1.18 to 2.35) | 81 (70 to 88) |
| Length of stay in hospital (random-effects) | 7 | 2076 | SMD, −1.86 (−5.47 to 1.75) | 98 (97 to 99) |
| Length of stay in ED (fixed-effect) | 3 | 679 | SMD, −3.00 (−3.61 to −2.39) | 99 (98 to 99) |
| Quality of life (fixed-effect) | 2 | 409 | SMD, −0.04 (−0.46 to 0.38) | 92 (72 to 98) |
| Barthel score (fixed-effect) | 2 | 409 | SMD, −0.83 (−1.25 to −0.41) | 85 (39 to 96) |
| All-cause mortality (random-effects) | 6 | 6469 | RR, 0.95 (0.79 to 1.16) | 0 (0 to 75) |
Abbreviations: ED, emergency department; OR, odds ratio; RR, relative risk; SMD, standardized mean difference.