Table 2 Patient demographics, circumstances of accident, and environmental conditions.
From: Risk factors for onset of hypothermia in trauma victims: The HypoTraum study
Patients with hypothermia on arrival at hospital | Patients without hypothermia on arrival at hospital | P | |
|---|---|---|---|
Demographics and morphological traits | |||
Age (yearrs) | 36 (23-53) | 33 (23-44) | 0.2 |
Male - Number (%) | 49 (77) | 275 (72) | 0.7 |
Body weight (kg) | 72 (60-80) | 72 (65-80) | 0.6 |
Height (cm) | 172 (169-180) | 174 (166-180) | 0.9 |
Body Mass Index | 24.2 (21.2 - 27.7) | 24.5 (21.8 - 26.9) | 0.5 |
Circumstances of accident - Number (%) | |||
Road accident | 32 (50) | 220 (57) | 0.06 |
Fall | 23 (36) | 117 (30) | |
Weapon (gun or knife) | 2 (3) | 18 (5) | |
Other | 7 (11) | 29 (8) | |
Environmental conditions | |||
Daytime - Number (%) | 37 (58) | 262 (68) | 0.5 |
Winter - Number (%) | 20 (32) | 110 (29) | 0.09 |
Spring - Number (%) | 14 (22) | 91 (24) | |
Summer - Number (%) | 12 (19) | 105 (27) | |
Autumn - Number (%) | 18 (28) | 78 (20) | |
Indoors - Number (%) | 10 (16) | 72 (19) | 0.6 |
Air temperature (°C) | 11.5 (6.7-16.4) | 17.9 (11.0-23.0) | 0.0001 |
Ground temperature (°C) | 11.4 (7.1-17.1) | 18.1 (11.1-22.9) | <0.0001 |
Windy - Number (%) | 8 (13) | 28 (7) | 0.2 |
Rain - Number (%) | 10 (16) | 37 (9) | 0.3 |