Table 1.

Demographics and clinical baseline characteristics of participants.

	Placebo	PPI∗
	N = 85	N = 86
Male (%)	37 (44)	41 (48)
Age, median (10%–90% percentile), year	59 (39–79)	59 (39–77)
Smoking, n (%; 95% CI)	31 (36; 26–48)	39 (45; 35–56)
Alcohol use, <21 units/weeks n (%; 95% CI)	79 (93; 85–97)	79 (92; 84–97)
Symptom duration, median (10%–90% percentile), year	4 (1–16)	4 (1–13)
Helicobacter pylori-positive n (%; 95% CI)	12 (14; 7–23)	17 (20; 12–30)
Previous endoscopy, n (%; 95% CI)	46 (54; 42–64)	39 (45; 34–56)
Previous NSAID/ASA use, n (%; 95% CI)	52 (61; 49–71)	53 (61; 50–72)

^∗Esomeprazole 40 mg.