Table 3.

Univariable analysis for fever.

Variable	B	OR	95% CI	P value
Age ≥56 (years)	0.318	1.375	1.112–1.699	0.003
Gender (male)	−0.173	0.841	0.673–1.051	0.128
ESD location
Upper 1/3 stomach	–	–	–	ref
Middle 1/3 stomach	0.652	1.92	1.472–2.504	<0.001
Lower 1/3 stomach	0.671	1.956	1.487–2.573	<0.001
Tumor size ≥13.5 (mm)	0.428	1.534	1.231–1.912	<0.001
Pathology (muscularis)	−0.045	0.956	0.741–1.234	0.731
Intraoperative bleeding	0.653	1.922	1.528–2.417	<0.001
Perforation	0.997	2.71	2.171–3.384	<0.001
Operation time ≥60 (min)	0.765	2.15	1.597–2.893	<0.001
En bloc resection	0.247	1.28	0.835–1.962	0.258
Gastric tube palcement	1.055	2.875	2.248–3.669	<0.001