Table 2.
Therapeutic hypothermia characteristics
| Characteristic | Total (n=930) | Good (n=249) | Poor (n=681) | P-value |
|---|---|---|---|---|
| Time from ROSC to start of TH (min) | 101 (46-200), 902a) | 115 (56-222), 245a) | 96 (43-190), 657a) | 0.036 |
| Target temperature (°C) | 0.256 | |||
| 32 | 8 (0.9) | 1 (0.4) | 7 (1.0) | |
| 33 | 835 (89.8) | 230 (92.4) | 605 (88.8) | |
| 34 | 84 (9.0) | 18 (7.2) | 66 (9.7) | |
| 35 | 3 (0.3) | 0 (0.0) | 3 (0.4) | |
| Time from start of TH to achieve target temperature (min) | 150 (80-267), 897a) | 195 (120-328), 244a) | 130 (61-240), 653a) | < 0.001 |
| Duration of maintenance (min) | 1,440 (1,290-1,440), 828a) | 1,440 (1,320-1,440), 244a) | 1,440 (1,287-1,440), 584a) | 0.243 |
| Duration of rewarming (min) | 708 (420-900), 794a) | 660 (420-780), 246 | 720 (452-960), 548a) | 0.004 |
| Monitor site of temperature | ||||
| Rectum | 571 (61.4) | |||
| Esophagus | 223 (24.0) | |||
| Bladder | 157 (16.9) | |||
| Tympanic membrane | 36 (3.9) | |||
| Axilla | 21 (2.3) |
Values are presented as median (interquartile range) or number (%).
ROSC, return of spontaneous circulation; TH, therapeutic hypothermia.
a)
Number of cases for analysis.