Risk factors of fever following endoscopic radiofrequency ablation for early esophageal squamous cell carcinoma and precancerous lesions

Table 1 General information

	No fever	Fever	Statistics	P value
Sex (n)				0.164
Male	7	16
Female	4	2
Age (years)	65.27 ± 6.94	69.44 ± 7.49	-1.495	0.146
Height (m)	1.66 ± 0.11	1.64 ± 0.60	0.721	0.483
Weight (kg)	68.73 ± 15.32	60.83 ± 5.74	1.640	0.127
BMI (kg/m2)	24.66 ± 3.53	22.78 ± 2.59	1.655	0.110
Smoke (n)
No	10	14		0.622
Yes	1	4
Drink (n)				0.622
No	9	16
Yes	2	2
Hypertension (n)				0.128
No	3	11
Yes	8	7
Diabetes (n)
No	10	14		0.622
Yes	1	4

BMI: Body mass index.