Table 4.

Multivariable analysis for fever.

Variable	B	OR	95% CI	P value
Age ≥56 (years)	0.232	1.261	1.009–1.576	0.041
Gender (male)	−0.179	0.836	0.659–1.060	0.139
ESD location
Upper 1/3 stomach	–	ref	–	–
Middle 1/3 stomach	0.152	1.164	0.858–1.579	0.33
Lower 1/3 stomach	0.22	1.246	0.922–1.683	0.152
Tumor size ≥13.5 (mm)	0.229	1.257	0.983–1.608	0.069
Intraoperative bleeding	0.43	1.537	1.196–1.974	0.001
Perforation	0.678	1.97	1.531–2.535	<0.001
Operation time ≥60 (min)	0.376	1.457	1.053–2.016	0.023
Gastric tube placement	0.741	2.098	1.616–2.723	<0.001