Table 4.

Abdominal symptoms of patients enrolled in this study

	All patients (n = 418)	H. pylori infection (n = 145)	Past H. pylori infection (n = 63)	H. pylori negative (n = 210)	p value	Dyspepsia positive (n = 89)	Dyspepsia negative (n = 329)	p value
Heart burn (n, %)	31 (7.4%)	13 (9.0%)	5 (7.9%)	13 (6.2%)	0.609	31 (34.8%)	0 (0.0%)	<0.001
Distention (n, %)	59 (14.1%)	23 (15.9%)	10 (15.9%)	26 (12.4%)	0.593	59 (66.3%)	0 (0.0%)	<0.001
Nausea (n, %)	11 (2.6%)	3 (2.1%)	2 (3.2%)	6 (2.9%)	0.864	11 (12.4%)	0 (0.0%)	<0.001
Epigastric discomfort, before meal (n, %)	2 (0.5%)	0 (0.0%)	0 (0.0%)	2 (1.0%)	0.37	2 (2.2%)	0 (0.0%)	0.006
Epigastralgia, usual (n, %)	1 (0.2%)	0 (0.0%)	0 (0.0%)	1 (0.5%)	0.609	1 (1.1%)	0 (0.0%)	0.054
Epigastralgia, after meal (n, %)	7 (1.7%)	2 (1.4%)	0 (0.0%)	5 (2.4%)	0.409	7 (7.9%)	0 (0.0%)	<0.001
Epigastralgia, before meal (n, %)	15 (3.6%)	7 (4.8%)	2 (3.2%)	6 (2.9%)	0.607	15 (16.9%)	0 (0.0%)	<0.001
Dysphagia (n, %)	10 (2.4%)	1 (0.7%)	1 (1.6%)	8 (3.8%)	0.151	10 (11.2%)	0 (0.0%)	<0.001
Abdominal pain (n, %)	25 (6.0%)	9 (6.2%)	2 (3.2%)	14 (6.7%)	0.585	25 (28.1%)	0 (0.0%)	<0.001
Appetite loss (n, %)	7 (1.7%)	1 (0.7%)	2 (3.2%)	4 (1.9%)	0.41	76 (6.7%)	1 (0.3%)	<0.001
Defecation disorder (n, %)	36 (8.6%)	13 (9.0%)	7 (11.1%)	16 (7.6%)	0.675	10 (11/2%)	26 (7.9%)	0.32
Feeling of incomplete defecation (n, %)	22 (5.3%)	9 (6.2%)	4 (6.3%)	9 (4.3%)	0.667	10 (11.2%)	12 (3.6%)	0.004
Lower abdominal pain (n, %)	7 (1.7%)	3 (2.1%)	1 (1.6%)	3 (1.4%)	0.897	6 (6.7%)	1 (0.3%)	<0.001