Table 1.
Baseline characteristics
| Total (N = 973) | Transfer (n = 258) | Non-transfer (n = 715) | p-value | |
|---|---|---|---|---|
| Age, y, median (IQR) | 58.1 (39.4–72.2) | 66.5 (52.4–76.2) | 55.0 (36.0–70.0) | < 0.001a |
| Sex, female (%) | 447 (45.9) | 117 (45.3) | 330 (46.2) | 0.827b |
| BMI, kg/m2, median (IQR) | 25.8 (22.5–29.3) | 26.2 (22.9–30.8) | 25.5 (22.5–29.0) | 0.010a |
| GCS, n (%) | ||||
| 15 | 692 (71.1) | 151 (58.5) | 541 (75.7) | < 0.001b |
| < 15 | 73 (7.5) | 30 (11.6) | 43 (6.0) | |
| missing | 208 (21.4) | 77 (29.8) | 131 (18.3) | |
| Systolic arterial blood pressure, n (%) | ||||
| > 100 mmHg | 699 (71.8) | 182 (70.5) | 517 (72.3) | 0.264b |
| ≤ 100 mmHg | 150 (15.4) | 46 (17.8) | 104 (14.5) | |
| missing | 124 (12.7) | 30 (11.6) | 94 (13.1) | |
| Respiratory rate, n (%) | ||||
| ≥ 22 | 294 (30.2) | 113 (43.8) | 181 (25.3) | < 0.001b |
| < 22 | 316 (32.5) | 66 (25.6) | 250 (35.0) | |
| missing | 363 (37.3) | 79 (30.6) | 284 (39.7) | |
| qSOFA, n (%) | ||||
| ≥ 2 | 103 (10.6) | 37 (14.3) | 66 (9.2) | 0.001b |
| < 2 | 453 (46.6) | 105 (40.7) | 348 (48.7) | |
| Missing | 417 (42.9) | 116 (45.0) | 301 (42.1) |
IQR: interquartile range; BMI: body mass index; GCS: Glasgow coma scale; qSOFA: quick sequential organ failure assessment; a Mann–Whitney U test, b Fisher’s exact test
Bold p-values are considered statistically significant