Table 3.
Risk factors for recurrence (univariate analysis)1
| Variable | Recurrence (fraction/%) | OR (95%CI) | P value2 |
| Age | |||
| < 65 yr | 10/96 (11.4%) | 2.492 | 0.011 |
| > 65 yr | 23/120 (19.2%) | (1.182-5.252) | |
| Size | |||
| < 30 mm | 19/153 (12.4%) | 2.472 | 0.005 |
| > 30 mm | 14/63 (22.2%) | (1.233-4.957) | |
| Morphology | |||
| Paris 0-Ip (pedunculated) | 0/31 (0%) | 26.386 | 0.018 |
| Paris 0-Is, 0-II a, b, c (sessile/flat) | 33/185 (17.8%) | (0.473-1472.565) | |
| Localization | |||
| Right-sided colon | 31/149 (20.8%) | 7.475 | 0.002 |
| Left-sided colon or rectum | 2/67 (3.0%) | (1.787-31.264) | |
| Resection technique | |||
| Piecemeal (fragmented) | 30/170 (17.6%) | 3.741 | 0.01 |
| En bloc | 3/46 (6.5%) | (1.139-12.292) | |
| Histology | |||
| Tubular-villous adenoma | 25/103 (24.3%) | 3.417 | 0.002 |
| Tubular, serrated, carcinoma | 8/113 (7.1%) | (1.533-7.614) | |
1The overall recurrence rate was 33/216 (15.3%);
2
As calculated with the Kaplan-Meier method.