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

Table 1 Correlation between age and esophageal hiatus size in the no reflux esophagitis and no hiatal hernia group, mean ± SD

Characteristic	Obese group				Non-obese group
	20-29 (n = 12)	30-39 (n = 30)	40-49 (n = 8)	P value	20-29 (n = 12)	30-39 (n = 30)	40-49 (n = 8)	P value
Age (year)	25.42 ± 2.07	34.5 ± 3.14	41.75 ± 1.67	< 0.01	25.83 ± 2.37	34.57 ± 2.76	41.88 ± 1.46	< 0.01
Height (cm)	165.83 ± 5.1	165.87 ± 7.43	168.75 ± 4.68	0.248	165 ± 9.09	167.67 ± 9.25	168.5 ± 7.09	0.62
Weight (kg)	109.08 ± 13.4	106.65 ± 26.5	108.63 ± 20.03	0.424	53.14 ± 9.13	63.1 ± 10.12	59.19 ± 4.21	0.27
BMI (kg/cm2)	39.72 ± 5.23	38.6 ± 8.03	38.19 ± 7.09	0.498	19.39 ± 1.96	22.34 ± 2.37	20.87 ± 1.27	0.10
Sagittal diameter (mm)	14.95 ± 1.58	15.78 ± 2.38	16.55 ± 1.09	0.075	12.17 ± 2.37	11.72 ± 2.13	11.1 ± 1.44	0.572
Transverse diameter (mm)	15.29 ± 1.51	15.98 ± 2.14	16.97 ± 2.3	0.247	13.93 ± 2.97	13.07 ± 1.61	13.63 ± 1.45	0.538
Area (mm2)	319.77 ± 56.18	315.8 ± 85.6	374.56 ± 63.71	0.075	200.11 ± 86.65	210.22 ± 59.95	212.25 ± 47.21	0.564

BMI: Body mass index.