Table 1.

Demographic Data of Patients and Controls

	EE (n = 35)	Pathological acid reflux (n = 29)	Hypersensitive esophagus (n = 28)	Control (n = 10)	P-value
Age (yr)	51.00 (37.00, 64.00)	47.00 (39.00, 55.00)	48.00 (35.00, 55.00)	26.00 (24.00, 29.00)	< 0.05
Male (%)	68.57	51.72	50.00	50.00	0.392
BMI (kg/m2)	24.32 ± 2.82	23.28 ± 2.71	23.33 ± 3.64	21.37 ± 2.64	0.057

EE, erosive esophagitis; BMI, body mass index.

The age was expressed as medians (interquartile range), the BMI was expressed as mean ± SD.