Table 5.
Model for 30-day surgical site infection
| No | Yes | OR (univariable) | OR (multilevel) | ||
|---|---|---|---|---|---|
| Age (years) | Mean (SD) | 22.9 (16) | 22.3 (17.8) | 1.00 (0.97–1.03, p = 0.889) | 1.01 (0.97–1.04, p = 0.781) |
| Gender | Male | 21 (80.8) | 31 (58.5) | – | – |
| Female | 5 (19.2) | 22 (41.5) | 2.98 (1.03–10.01, p = 0.056) | 2.88 (0.86–9.69, p = 0.087) | |
| ASA | Under III | 22 (75.9) | 34 (57.6) | – | – |
| III and above | 7 (24.1) | 25 (42.4) | 2.31 (0.88–6.61, p = 0.099) | 2.27 (0.55–9.33, p = 0.256) | |
| Time to operation | <6 h | 10 (35.7) | 16 (27.1) | – | – |
| >6 h | 18 (64.3) | 43 (72.9) | 1.49 (0.56–3.90, p = 0.415) | 1.46 (0.39–5.48, p = 0.573) | |
| WHO safer surgery checklist used? | No, not available | 9 (31.0) | 13 (22.0) | – | – |
| No, but available | 5 (17.2) | 9 (15.3) | 1.25 (0.32–5.22, p = 0.755) | 0.77 (0.13–4.60, p = 0.774) | |
| Yes | 15 (51.7) | 37 (62.7) | 1.71 (0.59–4.84, p = 0.313) | 1.99 (0.31–12.96, p = 0.471) | |
| Antibiotic prophylaxis | No | 3 (10.3) | 5 (8.5) | – | – |
| Yes | 26 (89.7) | 54 (91.5) | 1.25 (0.24–5.48, p = 0.775) | 0.29 (0.02–3.90, p = 0.350) |
Univariable and multilevel models for 30-day mortality. Effect estimates are presented as odds ratios (ORs) alongside the corresponding 95% confidence interval