Postpartum length of stay and 30-day unplanned readmission rates by mode of delivery and study period at The Ottawa Hospital, January 2012 to December 2016
| Variable | Vaginal delivery; no. (%) of cases* | Cesarean delivery; no. (%) of cases* | ||||||
|---|---|---|---|---|---|---|---|---|
| Before implementation n = 4487 | Implementation n = 3306 | After implementation n = 3067 | Total n = 10 860 | Before implementation n = 2131 | Implementation n = 1651 | After implementation n = 1381 | Total n = 5163 | |
| No. of babies | 4543 | 3354 | 3109 | 11 006 | 2276 | 1748 | 1485 | 5509 |
| Length of stay, h, mean ± SD | 40.2 ± 22.9 | 37.6 ± 23.1 | 30.2 ± 19.3 | 36.6 ± 22.4 | 71.4 ± 20.1 | 66.2 ± 25.5 | 55.8 ± 34.5 | 65.6 ± 27.1 |
| Length of stay, h, median (IQR) | 40 (27–52) | 35 (25–49) | 27 (23–36) | 34 (25–48) | 70 (63–77) | 67 (51–74) | 48 (43–63) | 66 (49–74) |
| Length of stay > 48 h | 1356 (30.2) | 854 (25.8) | 354 (11.5) | 2564 (23.6) | 1927 (90.4) | 1336 (80.9) | 660 (47.8) | 3923 (76.0) |
| 30-day readmission rate | ||||||||
| Women | ||||||||
| Eligible cases | 4478 (99.8) | 3300 (99.8) | 3055 (99.6) | 10 833 (99.8) | 2122 (99.6) | 1641 (99.4) | 1367 (99.0) | 5130 (99.4) |
| Readmitted | 43 (1.0) | 48 (1.4) | 33 (1.1) | 124 (1.1) | 41 (1.9) | 28 (1.7) | 33 (2.4) | 102 (2.0) |
| Babies | ||||||||
| Eligible cases | 4537 (99.9) | 3351 (99.9) | 3094 (99.5) | 10 982 (99.8) | 2274 (99.9) | 1747 (99.9) | 1481 (99.7) | 5502 (99.9) |
| Readmitted | 62 (1.4) | 70 (2.1) | 67 (2.2) | 199 (1.8) | 13 (0.6) | 18 (1.0) | 22 (1.5) | 53 (1.0) |
Note: IQR = interquartile range, SD = standard deviation.
↵* Except where noted otherwise.