Preintervention, n = 1530 (52.6%) | Postintervention, n = 1379 (47.4%) | P^{a} | OR (95% CI) | |
---|---|---|---|---|

3-d readmission, n (%) | .88 | 0.94 (0.42–2.10) | ||

No | 1517 (99.2) | 1368 (99.2) | ||

Yes | 13 (0.8) | 11 (0.8) | ||

7-d readmission, n (%) | .52 | 1.24 (0.64–2.40) | ||

No | 1513 (98.9) | 1360 (98.6) | ||

Yes | 17 (1.1) | 19 (1.4) | ||

14-d readmission, n (%) | .51 | 1.21 (0.68–2.18) | ||

No | 1508 (98.6) | 1355 (98.3) | ||

Yes | 22 (1.4) | 24 (1.7) | ||

Time from discharge to ED revisit, h, median (IQR) | 56.5 (19.5–182.1) | 86.4 (42.1–165.8) | .28 | NA |

CI, confidence interval; IQR, interquartile range; NA, not applicable; OR, odds ratio.

↵a The

*P*value comparing readmissions pre- and postintervention was calculated by using the Pearson χ^{2}test.