Patient, tumour and surgical characteristics
| Characteristic | No.* |
|---|---|
| Patients | |
| Male:female | 16:14 |
| Median age, mean (SD) yr | 69.8 (12.5) |
| Diagnosis | |
| Adenoma | 19 |
| Adenocarcinoma | 8 |
| T1 | 3 |
| T2 | 4 |
| T3 | 1 |
| Carcinoid | 3 |
| Tumour description | |
| Tumour distance, mean (SD) cm | 6.5 (3.0) |
| Median tumour size, mean (SD) cm | 3.4 (1.6) |
| Surgery | |
| Median duration of surgery, mean (SD) min | 80 (33) |
| Full thickness excision | 24 |
| Follow up, mean (SD) d | 338 (183) |
| Conversion to conventional transanal excision | 3 |
| Hospital stay, mean (SD) d | 1.8 (2.5) |
| Closure of defect | 16 |
| Complications | 6 |
| Intra-abdominal perforation | 3 |
| Bleeding | 2 |
| TIA | 1 |
| Residual disease | |
| R0 | 26 |
| R1 | 3 |
| R2 | 1 |
SD = standard deviation; TIA = transient ischemic attack.
↵* Unless indicated otherwise.