Table 4.
Short‐term outcomes by procedure
| ESSQS group (n = 586) | Non‐ESSQS group (n = 842) | P † | |
|---|---|---|---|
| Duration of surgery (min) | |||
| Right colectomy | 204 (195–214) | 210 (203–217) | 0·353‡ |
| Transverse colectomy | 220 (194–246) | 210 (184–235) | 0·575‡ |
| Left colectomy | 227 (192–263) | 238 (209–266) | 0·650‡ |
| Sigmoidectomy | 206 (191–222) | 215 (204–227) | 0·344‡ |
| High anterior resection | 222 (213–232) | 244 (235–253) | 0·001‡ |
| Low anterior resection | 280 (266–296) | 309 (297–322) | 0·004‡ |
| Blood loss (ml) | |||
| Right colectomy | 69·4 (34·2–104·6) | 65·5 (39·5–91·5) | 0·857‡ |
| Transverse colectomy | 47·7 (19·5–75·7) | 34·5 (7·2–61·9) | 0·507‡ |
| Left colectomy | 28·2 (−37·6–93·9) | 81·4 (33·2–141·5) | 0·169‡ |
| Sigmoidectomy | 52·8 (25·8–80·0) | 44·1 (24·3–63·8) | 0·653‡ |
| High anterior resection | 25·8 (11·4–40·2) | 40·5 (26·9–54·1) | 0·145‡ |
| Low anterior resection | 43·0 (20·7–65·4) | 73·7 (55·1–92·3) | 0·039‡ |
| Intraoperative complication | |||
| Right colectomy | 4 of 154 (2·6) | 5 of 284 (1·7) | 0·562 |
| Transverse colectomy | 0 (0) | 0 (0) | – |
| Left colectomy | 0 (0) | 2 of 31 (6) | 0·235 |
| Sigmoidectomy | 0 (0) | 7 of 149 (4·7) | 0·014 |
| High anterior resection | 2 of 157 (1·3) | 7 of 182 (3·8) | 0·124 |
| Low anterior resection | 0 (0) | 9 of 147 (6·1) | 0·002 |
| Conversion | |||
| Right colectomy | 5 of 154 (3·2) | 9 of 284 (3·2) | 0·964 |
| Transverse colectomy | 2 of 33 (6) | 0 (0) | 0·139 |
| Left colectomy | 1 of 21 (5) | 2 of 31 (6) | 0·798 |
| Sigmoidectomy | 1 of 78 (1) | 3 of 149 (2·0) | 0·691 |
| High anterior resection | 3 of 157 (1·9) | 7 of 182 (3·8) | 0·276 |
| Low anterior resection | 2 of 101 (2·0) | 10 of 147 (6·8) | 0·066 |
| Postoperative complication | |||
| Right colectomy | 9 of 154 (5·8) | 18 of 284 (6·3) | 0·837 |
| Transverse colectomy | 1 of 33 (3) | 2 of 35 (6) | 0·590 |
| Left colectomy | 3 of 21 (14) | 3 of 31 (10) | 0·610 |
| Sigmoidectomy | 2 of 78 (3) | 9 of 149 (6·0) | 0·247 |
| High anterior resection | 5 of 157 (3·1) | 10 of 182 (5·5) | 0·286 |
| Low anterior resection | 6 of 101 (5·9) | 16 of 147 (10·9) | 0·169 |
| Reoperation | |||
| Right colectomy | 1 of 154 (0·6) | 10 of 284 (3·5) | 0·042 |
| Transverse colectomy | 0 (0) | 1 of 35 (3) | 0·246 |
| Left colectomy | 3 of 21 (14) | 3 of 31 (10) | 0·610 |
| Sigmoidectomy | 0 (0) | 4 of 149 (2·7) | 0·065 |
| High anterior resection | 2 of 157 (1·3) | 4 of 182 (2·2) | 0·505 |
| Low anterior resection | 4 of 101 (4·0) | 10 of 147 (6·8) | 0·324 |
Values in parentheses are percentages unless indicated otherwise;
*
values are mean (95 per cent c.i.). ESSQS, Endoscopic Surgical Skill Qualification System.
†
χ2 test, except
‡
Student's t test.