Patient demographic and clinical characteristics*
| Characteristic | IA | EA | p value |
|---|---|---|---|
| No. of patients | 21 | 29 | |
| Age, mean yr | 65 | 69 | 0.32 |
| Male:female | 13:8 | 13:16 | 0.23 |
| BMI, mean | 27:67 | 28:64 | 0.56 |
| Previous laparotomy, yes:no | 4:17 | 4:25 | 0.71 |
| Preoperative colonoscopy yes:no | 21:0 | 29:0 | > 0.99 |
| Preoperative pathology invasive: all others | 11:10 | 16:13 | 0.85 |
| Preoperative CT yes:no | 19:2 | 26:3 | 0.92 |
BMI = body mass index; CT = computed tomography; EA = extracorporeal anastomosis; IA = intracorporeal anastomosis.
↵* Indications for operation included invasive neoplasm (n = 27), dysplastic polyp (n = 5), adenoma (n = 9), benign lesion (n = 2), indeterminate lesion (n = 4), appendiceal mass (n = 1) and unknown (n = 2).