Anxiety and depression in patients with gastroesophageal reflux disease and their effect on quality of life

Table 1 Patient demographics and clinical data (n = 379)

	Healthy controls	RE patients	NERD patients
n	100	134	145
Gender (M/F)1	49/51	71/63	66/79
mean age (yr)2	40.04 ± 12.22	41.07 ± 10.61	39.68 ± 10.80
Age range (yr)	19-67	23-68	16-71

¹No significant differences were observed among the three groups with respect to age (F = 0.574; P = 0.564);

²The constituent ratios of gender showed no significant differences among the three groups (χ² = 1.554; P = 0.460). RE: Reflux esophagitis; NERD: Non-erosive reflux disease.