Table 3:
Results of studies included in the meta-analysis
| Study | No. of index admissions* | No. of readmissions (% of index admissions) | No. (%) of readmissions deemed avoidable | % of index admissions followed by an avoidable readmission* |
|---|---|---|---|---|
| Graham5 | – | 153 | 73 (47.7) | – |
| Popplewell6 | 978 | 73 (7.5) | 13 (17.8) | 1.3 |
| MacDowell7 | – | 78 | 4 (5.1) | – |
| McInness8 | – | 153 | 46 (30.1) | – |
| Williams9 | – | 133 | 78 (58.6) | – |
| Clarke10 | – | 74 | 21 (28.4) | – |
| Vinson11 | 140 | 66 (47.1) | 35 (53.0) | 25.0 |
| Frankl12 | 2 626 | 318 (12.1) | 28 (8.8) | 1.1 |
| Kelly13 | – | 211 | 33 (15.6) | – |
| Gautam14 | 713 | 109 (15.3) | 16 (14.7) | 2.2 |
| Haines-Wood15 | 84 | 45 (53.6) | 4 (8.9) | 4.8 |
| Oddone16 | 1 262 | 811 (64.3) | 277 (34.2) | 21.9 |
| McKay17 | 3 705 | 289 (7.8) | 61 (21.1) | 1.6 |
| Experton18 | 190 | 48 (25.3) | 37 (77.1) | 19.5 |
| Kwok19 | 1 204 | 455 (37.8) | 35 (7.7) | 2.9 |
| Miles20 | – | 437 | 24 (5.5) | – |
| Levy21 | 2 484 | 262 (10.5) | 13 (5.0) | 0.5 |
| Madigan22 | 114 | 31 (27.2) | 8 (25.8) | 7.0 |
| Halfon23 | 3 474 | 1 115 (32.1) | 59 (5.3) | 1.7 |
| Munshi24 | 3 706 | 179 (4.8) | 70 (39.1) | 1.9 |
| Sutton25 | – | 297 | 58 (19.5) | – |
| Courtney26 | 1 914 | 52 (2.7) | 11 (21.2) | 0.6 |
| Friedman27 | 345 651 | 122 015 (35.3) | 67 108 (55.0) | 19.4 |
| Jimenez-Puente28 | – | 363 | 69 (19.0) | – |
| Maurer29 | 773 | 151 (19.5) | 10 (6.6) | 1.3 |
| Halfon30 | – | 494 | 390 (78.9) | – |
| Kirk31 | 1 289 | 77 (6.0) | 22 (28.6) | 1.7 |
| Balla32 | 1 913 | 271 (14.2) | 90 (33.2) | 4.7 |
| Goldfield33 | 3 501 142 | 409 759 (11.7) | 242 991 (59.3) | 6.9 |
| Ruiz34 | – | 81 | 28 (34.6) | – |
| Stanley35 | – | 141 | 85 (60.3) | – |
| Witherington36 | – | 108 | 25 (23.1) | – |
| Phelan37 | – | 39 | 15 (38.5) | – |
| Shalchi38 | – | 63 | 45 (71.4) | – |
*
Studies for which no value is shown are those that considered readmission as the unit of analysis.