Table 2. Sulfur mustard (SM) victims and controls data about their gastroesophageal reflux disease .

Variable	SM Victims (n=52) percent	Controls (n=50) Percent	p-value
Reflux † ≥1 episode/week	81.6	70.6	0.224
Dysphagia	22	3.9	0.007
Odynophagia	10	17.6	0.007
Vomiting	2	13.7	0.060
PPI use ‡	44	24.5	0.113
H2RB use §	14	22.4	0.113
Smoking	12	33.3	0.01
Esophagitis	40	26.5	0.155

† reflux means heart burn and/or regurgitation, ‡ PPI means proton pump inhibitor drugs, §H2RB means histamine 2 receptor blocker drugs