Surgical resource consumption | Univariate analysis Complete cases Total = 834 | Logistic regression analysis Complete cases Total = 834 | |||||
---|---|---|---|---|---|---|---|
Low Total = 472 n (%) | Higha Total = 362 n (%) | P value | All confounders 1 = Higha Odds ratio (95% CI) | P value | Final model (Wald) 1 = Higha Odds ratio (95% CI) | P value | |
Sex | 1.000 | ||||||
Male | 418 (88.6) | 320 (88.4) | 1 | ||||
Female | 54 (11.4) | 42 (11.6) | 1.14 (0.68–1.90) | 0.626 | |||
Age | 0.710 | ||||||
15–49 years | 433 (91.7) | 329 (90.9) | 1 | ||||
> 49 | 39 (8.3) | 33 (9.1) | 1.23 (0.70–2.17) | 0.466 | |||
Time since injury | 0.152 | ||||||
0–6 h | 15 (3.2) | 21 (5.8) | 1 | ||||
7–24 h | 203 (43.0) | 159 (43.9) | 0.68 (0.30–1.54) | 0.352 | |||
> 24 h | 254 (53.8) | 182 (50.3) | 0.66 (0.29–1.52) | 0.327 | |||
Systolic blood pressure | 0.004 | ||||||
> 89 mmHg | 464 (98.3) | 341 (94.2) | 1 | ||||
76–89 | 5 (1.1) | 10 (2.8) | 1.16 (0.33–4.11) | 0.931 | |||
0–75 | 3 (0.6) | 11 (3.0) | 1.65 (0.44–6.20) | 0.821 | |||
Respiratory rate | 0.446 | ||||||
10–29/min | 458 (97.0) | 347 (95.9) | 1 | ||||
≤ 9 | – | – | – | – | |||
≥ 30 | 14 (3.0) | 15 (4.1) | 0.88 (0.37–2.09) | 0.772 | |||
Glasgow Coma Scale | 0.077 | ||||||
13–15 | 465 (98.5) | 347 (95.8) | 1 | ||||
9–12 | 4 (0.9) | 10 (2.8) | 1.09 (0.31–3.87) | 0.896 | |||
6–8 | 2 (0.4) | 4 (1.1) | 1.60 (0.22–11.65) | 0.644 | |||
≤ 5 | 1 (0.2) | 1 (0.3) | 0.84 (0.05–15.76) | 0.906 | |||
RCWS grade | < 0.001 | ||||||
1 (simple) | 266 (56.4) | 83 (22.9) | 1 | 1 | |||
2 (medium) | 185 (39.2) | 178 (49.2) | 2.60 (1.81–3.74) | < 0.001 | 2.63 (1.84–3.76) | < 0.001 | |
3 (large) | 21 (4.4) | 101 (27.9) | 11.60 (6.61–20.36) | < 0.001 | 11.94 (6.85–20.80) | < 0.001 | |
RCWS type | < 0.001 | ||||||
Soft tissue | 220 (46.6) | 67 (18.5) | 1 | 1 | |||
Fracture | 164 (34.8) | 180 (49.7) | 2.39 (1.62–3.54) | < 0.001 | 2.32 (1.58–3.41) | < 0.001 | |
Threatening life | 59 (12.5) | 45 (12.4) | 2.16 (1.27–3.67) | 0.005 | 2.20 (1.31–3.72) | 0.003 | |
Threatening life/limb | 29 (6.1) | 70 (19.4) | 4.67 (2.61–834) | < 0.001 | 4.80 (2.77–8.33) | < 0.001 | |
Additional severe injuriesb | < 0.001 | ||||||
No | 439 (93.0) | 288 (79.6) | 1 | 1 | |||
Yes | 33 (7.0) | 74 (20.4) | 2.90 (1.83–4.89) | < 0.001 | 3.00 (1.85–4.88) | < 0.001 |