Table 3 In-hospital mortality and the incidence of VF or pulseless VT
|  | All patients | Rewarming rate (°C/h) | Odds for trend | P for trend | ||||
|---|---|---|---|---|---|---|---|---|
(≥2.0) | (1.5–< 2.0) | (1.0–< 1.5) | (0.5–< 1.0) | (< 0.5) | ||||
n = 481 | n = 57 | n = 36 | n = 104 | n = 175 | n = 109 | |||
Primary outcome | ||||||||
 In-hospital mortality | 103 (21.4) | 11 (19.3) | 4 (11.1) | 15 (14.4) | 35 (20) | 38 (34.9) |  |  |
  Odds ratio (95% CI) |  | Reference | 0.52 (0.15–1.79) | 0.71 (0.30–1.66) | 1.05 (0.50–2.24) | 2.24 (1.04–4.82) | 1.33 (1.10–1.61) | 0.003 |
  Adjusted odds ratio (95% CI)* |  | Reference | 1.11 (0.27–4.62) | 1.23 (0.41–3.66) | 1.83 (0.64–5.22) | 4.09 (1.33–12.6) | 1.49 (1.15–1.94) | 0.003 |
Secondary Outcome | ||||||||
 Vf or pulseless VT during rewarming procedure | 9 (1.9) | 2 (3.5) | 2 (5.6) | 4 (3.8) | 1 (0.6) | 0 (0.0) |  |  |
  Odds ratio (95% CI) |  | Reference | 1.62 (0.22–12.0) | 1.10 (0.20–6.20) | 0.16 (0.01–1.78) | N/A | 0.55 (0.33–0.90) | 0.016 |