Operative characteristics by PROMIS score.
| Characteristic | PROMIS ≥35 (n = 55) | PROMIS <35 (n = 64) | P Valuea |
| Operative timeb (min), mean ± SD | 121.8 ± 19.4 (n = 54) | 128.0 ± 22.3 | 0.133 |
| Estimated blood loss (mL), mean ± SD | 43.3 ± 19.9 | 54.5 ± 54.9 | 0.165 |
| Length of hospital stay (h), mean ± SD | 23.2 ± 17.7 (n = 54) | 34.4 ± 19.9 | 0.002 |
| Discharge day (%) | 0.003 | ||
| POD 0 | 22 (40.0%) | 7 (10.9%) | |
| POD 1 | 26 (47.3%) | 38 (59.4%) | |
| POD 2 | 6 (10.9%) | 14 (21.9%) | |
| POD 3 | 0 (0%) | 3 (4.7%) | |
| POD 4 | 1 (1.8%) | 2 (3.1%) |
Boldface indicates statistical significance (P < 0.05).
aP value was calculated using Student t test (continuous), χ2 analysis (categorical), or Fisher exact test (categorical).
bOperative time was measured from skin incision to skin closure.
POD, postoperative day; PROMIS, Patient-Reported Outcomes Measurement Information System.