Hypothermia | No hypothermia | p | |
---|---|---|---|
N = 136 | N = 325 | ||
Presentation | |||
Trapped - n (%) | 24 (18) | 36 (11) | 0.07 |
Time from accident to body temperature measurement (min) | 30 (22–43) | 30 (24–45) | 0.8 |
Position - n (%) | |||
Seated | 22 (16) | 49 (15) | 0.8 |
Lying down | 114 (84) | 272 (85) | |
On the ground - n (%) | 91 (67) | 184 (57) | 0.05 |
Unclothed - n (%) | 41 (30) | 107 (33) | 0.6 |
Wet - n (%) | 26 (19) | 23 (7) | 0.0004 |
Covered by blanket - n (%) | 75 (55) | 157 (48) | 0.2 |
Shivering - n (%) | 25 (18) | 54 (17) | 0.7 |
Clinical examination | |||
Glasgow Coma Score (GCS) | 15 (9–15) | 15 (15–15) | <0.0001 |
Systolic blood pressure (mmHg) | 123 (108–140) | 126 (110–140) | 0.1 |
Heart rate (bpm) | 84 (70–101) | 90 (75–100) | 0.1 |
Respiratory rate (breaths/min) | 18 (16–22) | 18 (16–22) | 0.8 |
Pulse oxymetry (%) | 99 (97–100) | 99 (97–100) | 0.8 |
Nature of injury – n (%) | |||
- head | 71 (52) | 0 5) | 0.2 |
- chest | 39 (29) | 0 1) | 0.7 |
- abdomen | 17 (12) | 42 13) | 1 |
- hip | 22 (16) | 54 17) | 1 |
- limbs | 59 (43) | 128 (39) | 0.5 |
Revised Trauma Score (RTS) | 11 (10–11) | 11 (11–11) | <0.0001 |
Status on arrival at hospital ED - n (%) | 62 (13) | 399 (87) |