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Table 5 Rewarming method and rewarming rate

From: Association between frailty and mortality among patients with accidental hypothermia: a nationwide observational study in Japan

 

Frail

Non-Frail

p-value

n = 221

n = 699

Rewarming method

 Active external rewarming

  Warmed blanket

73 (33.6%)

156 (22.8%)

< 0.001

  Forced warm air

130 (59.9%)

381 (55.8%)

0.307

  Heating pad

4 (1.8%)

34 (5.0%)

0.052

  Warmed bath

4 (1.8%)

15 (2.2%)

1.000

 Active internal rewarming

  Warmed fluid infusion

144 (66.4%)

459 (67.2%)

0.868

  Lavage

4 (1.8%)

17 (2.5%)

0.797

  Hemodialysis

2 (0.9%)

8 (1.2%)

1.000

  Intravascular catheter

3 (1.4%)

14 (2.0%)

0.775

  ECMO

3 (1.4%)

30 (4.4%)

0.039

Rewarming rate (°C/h)

0.96 (0.62–1.30)

1.13 (0.74–1.54)

< 0.001

  1. ECMO Extracorporeal membrane oxygenation
  2. The data are expressed as the number (%), median (interquartile range)