Table 2.
Characteristics of Readmissions and ED Visits Within 30 Days of Index Discharge
| Patient characteristics | 30-Day Readmission or ED visits (composite outcome, N = 5,451) | 30-Day readmission N = 3,618 | 30-Day ED visits, N = 2,265 | |||
|---|---|---|---|---|---|---|
| N (%) | p-value | N (%) | p-value | N (%) | p-value | |
| Study cohort—n (%) | 0.17 | 0.02 | 0.55 | |||
| Pre-implementation | 2,604 (47.8) | 1,692 (46.8) | 1,115 (49.2) | |||
| Post-implementation | 2,847 (52.2) | 1,926 (53.2) | 1,150 (50.8) | |||
| Age—n (%) | <0.01 | <0.01 | <0.01 | |||
| <30 | 688 (12.6) | 345 (9.5) | 397 (17.5) | |||
| 30–39 | 641 (11.8) | 375 (10.4) | 324 (14.3) | |||
| 40–49 | 753 (13.8) | 478 (13.2) | 338 (14.9) | |||
| 50–59 | 939 (17.2) | 660 (18.2) | 349 (15.4) | |||
| 60–69 | 802 (14.7) | 610 (16.9) | 254 (11.2) | |||
| 70–79 | 830 (15.2) | 588 (16.3) | 308 (13.6) | |||
| 80+ | 798 (14.6) | 562 (15.5) | 295 (13.0) | |||
| Sex—n (%) | 0.01 | <0.01 | 0.06 | |||
| Male | 2,511 (46.1) | 1,745 (48.2) | 965 (42.6) | |||
| Female | 2,940 (53.9) | 1,873 (51.8) | 1,300 (57.4) | |||
| Race—n (%) | <0.01 | 0.01 | <0.01 | |||
| White | 4,891 (89.7) | 3,291 (91.0) | 1,976 (87.2) | |||
| Black | 296 (5.4) | 174 (4.8) | 164 (7.2) | |||
| Hispanic/Latino | 179 (3.3) | 100 (2.8) | 89 (3.9) | |||
| Other | 85 (1.6) | 53 (1.5) | 36 (1.6) | |||
| Discharge destination—n (%) | <0.01 | <0.01 | <0.01 | |||
| Home | 4,561 (83.7) | 2,935 (81.1) | 1,984 (87.6) | |||
| Acute rehab hospital | 161 (3.0) | 121 (3.3) | 50 (2.2) | |||
| Skilled nursing facility | 506 (9.3) | 382 (10.6) | 173 (7.6) | |||
| Other | 223 (4.1) | 180 (5.0) | 58 (2.6) | |||
| Severity weighting—n (%) | <0.01 | <0.01 | <0.01 | |||
| 1st Decile (lowest severity) | 348 (6.4) | 207 (5.7) | 163 (7.2) | |||
| 2nd Decile | 515 (9.5) | 279 (7.7) | 277 (12.2) | |||
| 3rd Decile | 511 (9.4) | 276 (7.6) | 281 (12.4) | |||
| 4th Decile | 583 (10.7) | 378 (10.5) | 260 (11.5) | |||
| 5th Decile | 627 (11.5) | 427 (11.8) | 257 (11.4) | |||
| 6th Decile | 594 (10.9) | 411 (11.4) | 224 (9.9) | |||
| 7th Decile | 589 (10.8) | 402 (11.1) | 233 (10.3) | |||
| 8th Decile | 458 (8.4) | 308 (8.5) | 183 (8.1) | |||
| 9th Decile | 573 (10.5) | 429 (11.9) | 192 (8.5) | |||
| 10th Decile (highest severity) | 651 (12.0) | 500 (13.8) | 194 (8.6) | |||
| COPD—n (%) | 66 (1.2) | <0.01 | 49 (1.4) | <0.01 | 19 (0.8) | 0.90 |
| CHF—n (%) | 200 (3.7) | <0.01 | 157 (4.3) | <0.01 | 63 (2.8) | 0.03 |
| Pneumonia—n (%) | 165 (3.0) | <0.01 | 123 (3.4) | <0.01 | 55 (2.4) | 0.53 |
| ESRD—n (%) | 96 (1.8) | <0.01 | 76 (2.1) | <0.01 | 26 (1.1) | 0.98 |