RESULTS	With a cutoff at < 36.0 C none of the patients in the warm humidified CO ( 2 ) group compared with 7 patients ( 18 % , 95 % CI , 5 % to 31 % , P = 0.005 ) in the control group was hypothermic at end of surgery ( difference of the percentages between the groups 18 % , 95 % CI , 6 % to 30 % , P = 0.005 ) .\