Table 1 Risk factors for BSI of the patients with burns over 20% TBSA
Characteristic, n (%) | Total (n = 495) | Non-BSI (n = 359) | BSI (n = 136) | Univariate analysis p value | Multivariate logistic regression analysis | |
|---|---|---|---|---|---|---|
OR (95% CI) | p value | |||||
Male | 371 (74.9) | 271 (75.5) | 100 (73.5) | 0.654 | – | – |
Age (median, IQR) | 46 [36,56] | 46 [35,56] | 47 [37,56] | 0.728 | – | – |
Comorbidities | 121 (24.4) | 87 (24.2) | 34 (25.0) | 0.859 | – | – |
Type of burn | ||||||
Flame | 399 (80.6) | 283 (78.8) | 116 (85.3) | 0.104 | – | – |
Chemical | 26 (5.3) | 21 (5.8) | 5 (3.7) | 0.333 | – | – |
Hyperthermia liquid | 49 (9.9) | 37 (10.3) | 12 (8.8) | 0.622 | – | – |
Other | 21 (4.2) | 18 (5.0) | 3 (2.2) | 0.166 | – | – |
%TBSA | 0.023 | |||||
20–39 | 212 (42.8) | 185 (51.5) | 27 (19.9) | ˂0.001 | – | – |
40–59 | 130 (26.3) | 98 (27.3) | 32 (23.5) | 1.08 (0.55–2.09) | 0.828 | |
60–79 | 64 (12.9) | 31 (8.6) | 33 (24.3) | 2.53 (1.21–5.28) | 0.014 | |
≥ 80 | 89 (18.0) | 45 (12.5) | 44 (32.4) | 2.24 (1.01–4.97) | 0.048 | |
Accompanying third degree burns | 438 (88.5) | 312 (86.9) | 126 (92.6) | 0.078 | 0.70 (0.29–1.69) | 0.423 |
Inhalation injury | 212 (42.8) | 132 (36.8) | 80 (58.8) | ˂0.001 | 0.85 (0.51–1.44) | 0.547 |
Mechanical ventilation | 178 (36.0) | 96 (26.7) | 82 (60.3) | ˂0.001 | 1.97 (1.12–3.47) | 0.019 |
CVC | 352 (71.1) | 220 (61.3) | 132 (97.1) | ˂0.001 | 9.10 (3.06–27.04) | ˂0.001 |
AKI | 56 (11.3) | 34 (9.5) | 22 (16.2) | 0.038 | 0.80 (0.38–1.67) | 0.550 |
Hospital length of stay, days (median, IQR) | 35 [17,52] | 27 [15,44] | 50 [33,67] | ˂0.001 | 1.02 (1.01–1.03) | ˂0.001 |