Table 1: Baseline characteristics of the study group (N = 300)

Variable		Sequential		Quadruple		p-value
Mean age (SD) Y		39.97 (12.22)		40.48 (12.20)		0.72
Male patients (%)		77 (53%)		74 (51%)		0.72
Female patients (%)		68 (47%)		71 (49%)		0.72
Smokers (%)		25 (17.2%)		17 (11%)		0.38
Endoscopy
NUD		38		35		0.68
Gastritis		40		52		0.13
DU		28		25		0.65
Erosive gastritis		26		18		0.19
Erosive duodenitis		5		9		0.27
GU		4		4		1
Duodenitis		5		3		0.72