TABLE 2.
Procedure Characteristics and Unadjusted Pain Scores on the First Day After Colorectal Resection
| N (%) | Postoperative Day #1 pain score (mean±SE) | P † | |
|---|---|---|---|
| Type of operation | <0.001 | ||
| Open segmental colectomy or small bowel resection without ostomy | 3339 (46.2) | 5.2±0.04 | |
| Minimally invasive segmental colectomy or small bowel resection without ostomy | 2137 (29.6) | 4.7± 0.05 | |
| Open segmental colectomy or small bowel resection with ostomy | 975 (13.5) | 5.3± 0.08 | |
| Minimally invasive segmental colectomy or small bowel resection with ostomy | 146 (2.0) | 5.1±0.20 | |
| Open total colectomy or proctocolectomy | 207 (2.9) | 5.3±0.17 | |
| Minimally invasive total colectomy or proctocolectomy | 100 (1.4) | 5.5±0.24 | |
| Open proctectomy, not APR | 58 (0.8) | 4.7±0.32 | |
| Open APR | 100 (1.4) | 5.8±0.24 | |
| Minimally invasive APR | 34 (0.5) | 5.8±0.42 | |
| Other | 125 (1.7) | 5.6 ±0.22 | |
| Approach | <0.001 | ||
| Minimally invasive | 2500 (34.6) | 4.8±0.05 | |
| Minimally invasive, converted to open | 637 (8.8) | 5.2±0.10 | |
| Open | 4084 (56.6) | 5.2±0.04 | |
| Case status | <0.001 | ||
| Emergency | 1452 (20.1) | 5.3± 0.06 | |
| Urgent | 1493 (20.7) | 5.6±0.06 | |
| Elective | 4276 (59.2) | 4.8± 0.04 | |
| Estimated blood loss | 0.07 | ||
| <100 | 3183 (44.1) | 5.0±0.04 | |
| 100–500 | 3524 (48.8) | 5.1±0.04 | |
| 500–1000 | 398 (5.5) | 5.3±0.12 | |
| >1000 | 116 (1.6) | 5.4±0.23 | |
| Operative duration | 0.07 | ||
| <2 h | 3053 (42.3) | 5.0±0.04 | |
| 2–3 h | 2167 (30.0) | 5.0±0.05 | |
| 3–4 h | 1122 (15.5) | 5.2±0.07 | |
| >4 h | 879 (12.2) | 5.2±0.08 |
APR, abdominoperineal resection; SE, standard error.