Impact of body mass index and gender on quality of life in patients with gastroesophageal reflux disease

Table 1 Basic characteristics of the three groups of patients with gastroesophageal reflux disease

Variable	Normal weight (n = 102)		Overweight (n = 56)		Obese (n = 15)		P value
	n (%)	mean ± SD	n (%)	mean ± SD	n (%)	mean ± SD
Age (yr)		44.32 ± 15.14		50.77 ± 15.88		41.47 ± 12.24	0.4232
Gender							0.0011
Male	33 (32.4)		41 (73.2)		11 (73.3)
Female	69 (67.6)		15 (26.8)		4 (26.7)
Symptom duration (mo)		2.17 ± 3.16		2.64 ± 3.69		3.15 ± 4.30	0.4062
NERD	62 (60.8)		20 (35.7)		4 (26.7)		0.0021
EE	40 (39.2)		36 (64.3)		11 (73.3)
Hiatal hernia	17 (16.7)		19 (33.9)		9 (60.0)		0.0011
ECJ ulcer	7 (6.9)		5 (8.9)		2 (13.3)		0.6661

¹Pearson’s Chi-square test;

²Analysis of variance. ECJ: Esophagocardiac junction; EE: Erosive esophagitis; NERD: Non-erosive reflux disease.