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

Table 3 Variable assignment

Variable	Factor	Assignment
Y	Hypothermia	1 = hypothermia; 0 = non-hypothermia
X1	Age	Continuous variable, original value input
X2	Basal body temperature	Continuous variable, original value input
X3	Operating room temperature	Continuous variable, original value input
X4	Duration of anesthesia	Continuous variable, original value input
X5	Operation duration	Continuous variable, original value input
X6	Intraoperative fluid infusion	Continuous variable, original value input
X7	Infusion of crystal solution	Continuous variable, original value input
X8	Infusion of colloidal solution	Continuous variable, original value input
X9	Pneumoperitoneum flow	Continuous variable, original value input
X10	Sex	0 = Male; 1 = Female