Table 2.
Baseline clinical and operational characteristics of patients undergoing gastric endoscopic submucosal dissection
| Age, (yr)1 | 70.4 ± 10.2 |
| Sex, n (%) | |
| Male | 79 (71.2) |
| Female | 32 (28.8) |
| Preoperative co-morbidities, n (%) | 91 (75.2) |
| ASA score, n (%) | |
| I | 20 (18.0) |
| II | 88 (79.3) |
| III | 3 (2.7) |
| Histologic type, n (%) | |
| Differentiated type adenocarcinoma | 102 (84.3) |
| Undifferentiated type adenocarcinoma | 8 (6.6) |
| Others | 10 (8.3) |
| Mean diameter of resected specimen (mm)1 | 39.5 ± 13.9 |
| en bloc resection rate, n (%) | 119 (98.3) |
| Duration of anesthesia, (min)1 | 254.5 ± 95.4 |
| Duration of operation, (min)1 | 188.4 ± 91.7 |
| Postoperative hospital stay (d)1 | 7.5 ± 2.0 |
| Complication rate, n (%) | 4 (3.3) |
| Intraoperative bleeding | 1 (0.8) |
| Delayed bleeding | 1 (0.8) |
| Intraoperative perforation | 2 (1.7) |
1
Mean ± SD. ASA: American Society of Anesthesiologists score.