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

Table 4 Correlation between hiatal hernia and esophageal hiatus size

Characteristic	Obese group			Non-obese group
	HH (n = 6)	Non-HH (n = 12)	P value	HH (n = 12)	Non-HH (n = 12)	P value
Age (year)	40.17 ± 8.54	38.25 ± 6.72	0.279	41.58 ± 7.03	37.75 ± 5.86	0.68
Height (cm)	173.33 ± 6.62	168.75 ± 6.24	0.155	170.5 ± 7.24	167.25 ± 8.21	0.543
Weight (kg)	97.83 ± 4.54	109.96 ± 22.04	0.574	70.73 ± 8.35	65.45 ± 13.66	0.112
BMI (kg/cm2)	32.64 ± 2.23	38.49 ± 6.51	0.059	24.36 ± 2.71	23.19 ± 3.11	0.248
Sagittal diameter (mm)	15.07 ± 2.96	16.11 ± 1.3	0.349	13.7 ± 3.22	14.16 ± 2.18	0.525
Transverse diameter (mm)	15.91 ± 4.27	16.55 ± 2.25	0.399	15.45 ± 2.51	12.14 ± 2.25	0.005
Area (mm2)	302.45 ± 82.72	346.11 ± 75.85	0.075	276.33 ± 93.42	220.57 ± 51.34	0.106

BMI: Body mass index; HH: Hiatal hernia.