Table 1.
Patient characteristics
| GCI group n = 86 |
Control group n = 85 |
p value | |
|---|---|---|---|
| Sex | 0.550 | ||
| Male | 56 | 59 | |
| Female | 30 | 26 | |
| Age | |||
| Median (range) | 63 (38–84) | 63 (25–83) | 0.789 |
| WHO status | 0.459 | ||
| 0 | 33 | 28 | |
| 1 | 53 | 57 | |
| Median distance between the anal verge and lower tumor border in cm (range) | 5.5 (0.5–12) | 5.0 (0–12) | 0.702 |
| Type of surgery | 0.621 | ||
| Abdominoperineal resection | 26 | 24 | |
| Low anterior resection | 34 | 36 | |
| Anterior resection | 19 | 14 | |
| Hartmann procedure | 7 | 11 | |
| Protective stoma | 8 | 11 | 0.476 |
| J-pouch | 1 | 0 | 1.000 |
| End-to-end stapled anastomosis | 512 | 48 | 1.000 |
| Handsewn anastomosis | 2 | 1.000 | |
| Mesorectum excision | 64 | 0.496 | |
| Total (TME) | 22 | 67 | |
| Subtotal | 18 | ||
| Surgery duration | 0.394 | ||
| <180 min | 63 | 67 | |
| ≥180 min | 23 | 18 | |
| ypT | 0.681 | ||
| X | 0 | 1 | |
| 0 | 3 | 1 | |
| 1 | 1 | 1 | |
| 2 | 28 | 21 | |
| 3 | 52 | 58 | |
| 4 | 2 | 3 | |
| ypN | 0.070 | ||
| 0 | 50 | 47 | |
| 1 | 28 | 20 | |
| 2 | 8 | 18 | |
| ypM | 0.368 | ||
| 0 | 82 | 84 | |
| 1 | 4 | 1 |
GCI gentamicin collagen implant, TME total mesorectal excision, WHO World Health Organization