Table 2.
Early postoperative wound characteristics.
| Variable | Overall | Staple | Suture | P value |
|---|---|---|---|---|
| n | 583 | 295 | 288 | |
| Surgery site (%) | .250a | |||
| Left | 264 (45.3) | 141 (47.8) | 123 (42.7) | |
| Right | 319 (54.7) | 154 (52.2) | 165 (57.3) | |
| Fever ≥38.5° [days] (SD) | 0.0 (0.2) | 0.0 (0.0) | 0.0 (0.3) | .188c |
| Redness of the wound [days] (SD) | 0.1 (1.1) | 0.2 (1.6) | 0.0 (0.2) | .049c |
| Serous secretion [days] (SD) | 0.5 (2.4) | 0.8 (2.7) | 0.2 (1.9) | .001c |
| Bloody secretion [days] (SD) | 0.4 (1.7) | 0.5 (2.2) | 0.2 (1.0) | .009c |
| Secretion ≥7 days (%) (bloody and/or serous) | 13 (2.2) | 11 (3.73) | 2 (0.69) | .021b |
| Prolonged AB administration [days] (SD) | 1.0 (9.3) | 1.1 (8.5) | 0.9 (10.1) | .814c |
| Wound bland from day … (SD) | 0.8 (2.7) | 1.3 (3.1) | 0.4 (2.1) | <.001c |
| Wound revision (%) | 5 (0.9) | 4 (1.4) | 1 (0.3) | .3842 |
| Secondary suture (%) | 3 (0.5) | 3 (1.0) | 0 (0.0) | .256b |
| Length of stay [days] (SD) | 6.6 (2.8) | 7.0 (3.3) | 6.1 (2.0) | <.001c |
| Early implant revision (%) | 10 (1.7) | 7 (2.3) | 3 (1.0) | .358a |
| ≤30d germ detection (%) | 7 (1.2) | 4 (1.4) | 3 (1.0) | 1.000a |
a
Chi-square test.
b
Fisher's exact test.
c
Mann–Whitney U test.