Table 2

Effect of forced air warming on temperature (°C) for the main comparison and use of propofol subgroup analysis

Forced air warmingPassive warmingDifference between means (95% CI)p Valuep Value for interaction
TotalBaseline36.1 (0.5)36.2 (0.5)0.1
Postprocedure35.8 (0.7)35.6 (0.7)−0.2 (−0.4 to 0.01)0.07
ANCOVA (adjusting for baseline temperature and stratification variables)−0.3 (−0.5 to −0.1)0.004
Propofol usedBaseline36 (0.3)36.1 (0.4)0.1
Postprocedure35.6 (0.4)35.5 (0.5)−0.1 (−0.4 to 0.1)0.185
ANCOVA (adjusting for baseline temperature and stratification variables)−0.2 (−0.4 to −0.02)0.033
Propofol not usedBaseline36.1 (0.5)36.2 (0.5)0.10.564
Postprocedure35.935.7−0.2 (−0.6 to −0.1)0.194
ANCOVA (adjusting for baseline temperature and stratification variables)−0.3 (−0.6 to −0.01)0.04
  • ANCOVA, analysis of covariance.