Application value of machine learning models in predicting intraoperative hypothermia in laparoscopic surgery for polytrauma patients

Table 4 Multivariate logistic regression analysis

Risk factor	β	SE	Wald χ2	P value	OR	95%CI
Age	0.056	0.017	11.434	0.001	1.058	1.024-1.093
Basal body temperature	−1.211	0.365	11.157	0.001	0.286	0.231-0.976
Operating room temperature	−0.066	0.041	2.688	0.101	0.936	0.864-1.013
Duration of anesthesia	−0.008	0.003	8.458	0.004	0.992	0.986-0.997
Operation duration	0.011	0.003	12.787	< 0.001	1.011	1.005-1.018

95%CI: 95% Confidence interval; OR: Odds ratio; SE: Standard error.