Table 3.
Baseline clinical and operational characteristics of patients undergoing colorectal endoscopic submucosal dissection
| Age, (yr)1 | 66.7 ± 9.6 |
| Sex, n (%) | |
| Male | 22 (44.9) |
| Female | 27 (55.1) |
| Preoperative comorbidities, n (%) | 32 (65.3) |
| ASA score, n (%) | |
| I | 14 (28.6) |
| II | 34 (69.4) |
| III | 1 (2.0) |
| Histologic type, n (%) | |
| Adenocarcinoma | 18 (35.3) |
| Adenoma | 29 (56.9) |
| Carcinoid | 3 (5.9) |
| Mean diameter of the resected specimen (mm)1 | 36.5 ± 11.3 |
| en bloc resection rate, n (%) | 49 (96.1) |
| Duration of anesthesia, (min)1 | 262.1 ± 93.0 |
| Duration of operation, (min)1 | 199.4 ± 82.2 |
| Postoperative hospital stay (d)1 | 7.4 ± 1.7 |
| Complication rate, n (%) | 3 (5.9) |
| Intraoperative bleeding | 0 (0.0) |
| Delayed bleeding | 1 (2.0) |
| Intraoperative perforation | 2 (3.9) |
1
Mean ± SD. ASA: American Society of Anesthesiologists score.