Table 2.

Multivariate analysis of risk factors for development of postoperative hypothermia

Factor	Effect size (95 % CI)	p value
Diabetes mellitus	0.51 (0.11–2.27)	0.38
Male gender	1.67 (0.74–3.70)	0.22
Age (years)	1.01 (0.98–1.05)	0.50
BMI	0.96 (0.88–1.05)	0.33
Surgery for cancer	1.43 (0.49–4.17)	0.51
Operation time (minutes)	1.00 (0.99–1.00)	0.34
Conversion to open approach	2.94 (0.85–10.0)	0.09
Use of conditioned CO2	0.10 (0.04–0.23)	<0.001

BMI body mass index, CO ₂ carbon dioxide, CI confidence interval