Heartburn and regurgitation have different impacts on life quality of patients with gastroesophageal reflux disease

Table 2 Basic characteristic of the of patients in the heartburn and regurgitation group

Characteristics		Heartburn group (n = 108, 46.6%)		Regurgitation group (n = 124, 53.4%)		P value
		n (%)	mean ± SD	n (%)	mean ± SD
Mean age (yr)			48.72 ± 13.97		44.92 ± 15.30	0.1301
Gender	M	62 (57.4)		48 (38.7)		0.0442
	F	46 (42.6)		76 (61.3)
Weight (kg)			62.30 ± 13.56		63.33 ± 11.85	0.8341
BMI (kg/m2)			22.97 ± 3.87		23.38 ± 3.42	0.8251
H. pylori		28 (25.9)		22 (17.7)		0.2852
Hiatal hernia		30 (27.8)		34 (27.4)		0.9662
ECJ ulcer		8 (7.4)		12 (9.7)		0.6642
Endoscopic finding	NERE	54 (50.0)		56 (45.2)		0.8362
	EE	54 (50.0)		68 (54.8)
Life style	Coffee	70 (64.8)		76 (61.3)		0.6952
	Alcohol	44 (40.7)		48 (38.7)		0.8232
	Tea	84 (77.8)		104 (83.9)		0.4042
	Smoke	20 (18.5)		16 (12.9)		0.4052

¹t test;

²Pearson’s χ² test. BMI: Body mass index; ECJ: Esophagocardiac junction; EE: Erosive esophagitis; F: Female; M: Male; NERD: Non-erosive reflux disease; H. pylori: Helicobacter pylori.