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Table 2 Primary outcome

From: The effect of active warming in prehospital trauma care during road and air ambulance transportation - a clinical randomized trial

  Passive warming (n = 22) Active warming (n = 26)
Body core temperature (°C) *   
   1st measurement 35.1 (34.7 - 35.5) 35.6 (35.2 - 36.0)
   2nd measurement 36.0 (35.7 - 36.3) † 36.4 (36.1 - 36.7) †
Cold discomfort **   
   1st measurement 5 (4 - 7) 7 (5 - 8)
   2nd measurement 3 (0 - 5) † 2 (1 - 3) †
increased 1 0
unchanged 5 0
decreased 15 26 ‡
Vital signs *   
   Heart rate   
1st measurement 83 (77 - 90) 84 (78 - 90)
2nd measurement 82 (76 - 87) 80 (75 - 86) †
   Systolic blood pressure   
1st measurement 138 (129 - 147) 136 (127 - 145)
2nd measurement 134 (124 - 143) 131 (124 - 139)
   Respiratory rate   
1st measurement 17 (16 - 19) 18 (16 - 20)
2nd measurement 17 (15 - 18) 16 (14 - 18) †
   Revised Trauma Score 7.84 (7.84 - 7.84) 7.83 (7.80 - 7.84)
  1. Values are * mean (95% confidence interval) or ** median (interquartile range) and number of patients. The internal drop-out of any variable was ≤ 2 patients.
  2. † Significant difference within the same group (Mann-Whitney U-test, p < 0.05)
  3. ‡ Significant difference between groups (Fisher's exact test, p < 0.05)