Table 5.
Comparison of surgical site complications between control and intervention groups within 6 weeks after operation. The difference in proportions between the 2 groups is shown with 95% confidence interval. Values are count (%)
| Surgical site complications | Intervention | Missing | Control | Missing | Difference % [CI] |
|---|---|---|---|---|---|
| Any surgical site complications | 84 (11) | 0 | 116 (16) | 3 (0.4) | –4.5 [–8.0 to –1.0] |
| Superficial SSI | 42 (5.6) | 0 | 57 (7.7) | 3 (0.4) | –2.1 [–4.7 to 0.4] |
| Drainage | 37 (5.0) | 0 | 58 (7.9) | 3 (0.4) | –2.9 [–5.5 to –0.4] |
| Bleeding | 36 (4.8) | 0 | 42 (5.7) | 3 (0.4) | –0.9 [–3.2 to 1.4] |
| Dehiscence | 11 (1.5) | 0 | 12 (1.6) | 3 (0.4) | –0.2 [–1.5 to 1.2] |
| Limb hematoma | 23 (3.1) | 0 | 13 (1.8) | 3 (0.4) | 1.3 [–0.3 to 3.0] |
| Periprosthetic joint infection | 11 (1.5) | 0 | 7 (0.9) | 3 (0.4) | 0.5 [–0.7 to 1.8] |