Association of esophageal hiatus size with reflux esophagitis and type I hiatal hernia in patients with obesity

Table 3 Correlation between reflux esophagitis and esophageal hiatus size

Characteristic	Obese group			Non-obese group
	RE (n = 20)	Non-RE (n = 20)	P value	RE (n = 20)	Non-RE (n = 20)	P value
Age (year)	38.4 ± 7.39	36.8 ± 5.47	0.524	38.56 ± 7.61	37.05 ± 5.39	0.558
Height (cm)	171.95 ± 6.55	168.2 ± 6.88	0.059	173.06 ± 10.01	168.5 ± 6.54	0.101
Weight (kg)	105.46 ± 25.39	109.8 ± 26.84	0.386	69.94 ± 12.41	61.87 ± 8.57	0.06
BMI (kg/cm2)	35.54 ± 7.51	38.67 ± 8.04	0.094	23.21 ± 2.72	21.71 ± 2.01	0.70
Sagittal diameter (mm)	16.11 ± 2.31	15.92 ± 1.89	0.715	14.86 ± 3.59	13.4 ± 1.45	0.335
Transverse diameter (mm)	16.77 ± 3.12	16.35 ± 2.15	0.839	15.13 ± 2.59	11.25 ± 1.52	0.023
Area (mm2)	437.77 ± 444.25	346.11 ± 70.75	0.935	259.66 ± 97.8	199.43 ± 38.23	0.079

BMI: Body mass index; RE: Reflux esophagitis.