Table 2 Predictors of in-hospital mortality
|  | In-hospital mortality (n = 771)1 | Univariable regression | Multivariable regression4 | |
|---|---|---|---|---|
Characteristics | Survivors (n = 682) | Non-survivors (n = 89) | OR (95% CI) | OR (95% CI) |
 Sex, Female | 322 (47.2) | 49 (55.1) | 1.37 (0.88–2.14) |  |
 Age, years | 74.0 (69.0–80.0) | 81 (73.5–88.0) | 1.08 (1.05–1.11)2 | – |
ASA score3 | ||||
 1–2 | 407 (61.8) | 16 (20.5) | 1 |  |
  ≥ 3 | 252 (38.2) | 62 (79.5) | 6.26 (3.53–11.04)2 | 3.84 (1.81–8.16)2 |
SES score3 | ||||
 Other | 467 (70.3) | 60 (69.8) | 1 |  |
 Low SES (1st quintile) | 197 (29.7) | 26 (30.2) | 0.97 (0.60–1.59) |  |
TBSA burned5 | ||||
  < 5% | 428 (62.8) | 13 (14.6) | 1 |  |
 5–19% | 220 (32.3) | 25 (28.1) | 3.74 (1.87–7.46)2 | – |
  ≥ 20% | 34 (5.0) | 51 (57.3) | 49.39 (24.48–99.65)2 | – |
Revised Baux Score | 80.0 (73.5–88.0) | 112.0 (94.0–127.0) | 1.14 (1.11–1.16)2 | 1.10 (1.07–1.14)2 |
 Surgery | ||||
 No | 176 (25.8) | 54 (60.7) | 1 |  |
 Yes | 506 (74.2) | 35 (39.3) | 0.23 (0.14–0.36) | – |
TBSA excision | ||||
 No surgery | 176 (25.8) | 54 (60.7) | 1 |  |
  < 5% | 369 (54.1) | 18 (20.2) | 0.16 (0.09–0.28)2 | – |
  ≥ 5% | 137 (20.1) | 17 (19.1) | 0.40 (0.22–0.72)2 | – |
 Length of stay (days) | 14.5 (3.0–26.0) | 2 (1.0–15.5) | 0.98 (0.96–0.99)2 | 0.97 (0.95–0.98)2 |
ICU stay | ||||
 No | 550 (80.6) | 17 (19.1) | 1 |  |
 Yes | 132 (19.4) | 72 (80.9) | 17.65 (10.06–30.94)2 | 4.90 (2.23–10.78)2 |
Mechanical ventilation | ||||
 No | 607 (89.0) | 32 (36.0) | 1 |  |
 Yes | 75 (11.0) | 57 (64.0) | 14.42 (8.79–23.65)2 | – |