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| LocalizationRectum | Localization proximal to rectum | P value | |
| Number of complications | 6/63 (9.5 %) | 11/119 (9.2 %) | n.s. |
| Age. Median (range) | 73 (52 – 86) | 66 (49 – 86) | n.s. |
| Sex (f/m) | 1/5 | 4/7 | n.s. |
| Fibrosis/non-lifting | 2/6 (33.3 %) | 4/11 (36.4 %) | n.s. |
| Leucocyte increase (-fold). Median (range) | 1.66 (1.07 – 2.31) | 2.30 (1.03 – 3.06) | n.s. |
| Associated post-procedural pain | 0/6 | 3/11 | n.s. |
| Hospital stay. Median (range) | 2 (2 – 2) | 3.3 (3 – 7) | P < 0.05 |
