Table 1 Demographics, patient, and surgical characteristics of patients undergoing surgery for rectal cancer in Västmanland county between 1996 and 2017
From: Risk factors for small bowel obstruction after open rectal cancer resection
Parameters | Total cohort N = 752 | With SBO N = 84 | Without SBO N = 668 |
|---|---|---|---|
Age (years)b | 69 (32–88) | 66 (42–87) | 70 (32–88) |
Gender M: F | 469: 283(62:38) | 53:31(63:37) | 416:252(62:38) |
Body mass index (kg/m2)c | 26 ± 4 | 25 ± 4 | 25 ± 4 |
Missing | 5 | 0 | 5 |
ASA score | |||
I–II | 524 (70) | 61 (73) | 463 (69) |
III–IV | 228 (30) | 23 (27) | 205 (31) |
WHO PS | |||
I | 435 (58) | 51 (61) | 384 (57) |
II | 282 (37) | 30 (36) | 252 (38) |
III | 28 (4) | 3 (3) | 25 (4) |
IV | 6 (1) | 0 (0) | 6 (1) |
TNM stage | |||
I–II | 404 (54) | 42 (50) | 362 (54) |
III | 256 (34) | 29 (35) | 227 (34) |
IV | 91 (12) | 13 (15) | 78 (12) |
Preoperative radiotherapya | 579 (77) | 73 (87) | 506 (76) |
Missing | 1 | 0 | 1 |
Type of surgery | |||
Anterior resection | 468 (62) | 48 (57) | 420 (63) |
Hartmann’s procedure | 84 (11) | 7 (8) | 77 (11) |
Abdominoperineal excision | 184 (25) | 27 (32) | 157 (24) |
Proctocolectomy | 16 (2) | 2 (3) | 14 (2) |
Mobilization of splenic flexure | 454 (60) | 51 (61) | 403 (60) |
Resection of other organs | 202 (27) | 25 (30) | 177 (27) |
Intraoperative bleeding (mL)c | 689 ± 618 | 723 ± 604 | 685 ± 620 |
Missing | 3 | 0 | 3 |
Operative time (min)c | 293 ± 76 | 302 ± 70 | 292 ± 76 |
Missing | 5 | 0 | 5 |
Re-laparotomy | 28 (4) | 7 (8) | 21 (3) |
Incisional hernia | 69 (9) | 10 (12) | 59 (9) |