TABLE 4.

Temperature and Normothermia Rates of Cases and Controls at Various Perioperative Time Points

Temperature or Normothermia Rate (nm = Cases/Controls)	Cases n = 146	Controls n = 323	OR (95% CI)	P
Lowest intraoperative temperature (mean ± SD) (nm = 1/3)	35.9 ± 0.8	35.7 ± 0.8	1.31 (1.01, 1.70)	0.042
% Patients with lowest intraoperative temperature ≥36°C (nm = 1/3)	44.8%	37.8%	1.34 (0.90, 1.99)	0.15
Final intraoperative temperature (mean ± SD) (nm = 1/3)	36.7 ± 0.7	36.5 ± 0.8	1.57 (1.19, 2.08)	0.0015
% Patients with final intraoperative temperature ≥36°C (nm = 1/3)	87.6%	77.8%	2.012 (1.15, 3.53)	0.015
First postoperative temperature (mean ± SD) (nm = 4/5)	36.4 ± 0.7	36.3 ± 0.7	1.31 (0.98, 1.73)	0.065
% Patients with first postoperative temperature ≥36°C (nm = 4/5)	70.6%	65.3%	1.34 (0.87, 2.074)	0.19

CI indicates confidence interval; nm, number missing; SD, standard deviation.