Thresholds of gastroesophageal reflux for diagnosis of esophageal reflux diseases

Table 1 Anamnestic data and endoscopic findings

Parameter	Gastroesophageal reflux patients with esophagitis (n = 228)	Gastroesophageal reflux patients without esophagitis (n = 172)	Healthy controls (n = 100)
Age, yr	52 ± 18.3	46 ± 7.5	48 ± 9.4
Sex, male/female	158/70	122/50	60/40
Duration, yr	12.4 ± 3.2	8.1 ± 3.8
GER symptoms, %	100	100	0
Smoker, %	54.3	44.2	35
Alcohol consumer, %	25	20.3	22
Hiatal hernia, %	18.4	11.0	2.0
Grade of esophagitis, %
I - II	72.3	0	0
III - IV	27.7	0	0