Table 2.

Patient characteristics

	Group F (n = 31)	Group L (n = 47)	p value
Age (years)	72.0 ± 9.3	74.6 ± 8.8	0.22
Male	26 (83.9%)	32 (68.1%)	0.19
Body mass index (kg/m2)	23.8 ± 3.4	24.3 ± 3.6	0.50
Hypertension	25 (80.6%)	44 (93.6%)	0.14
Diabetes mellitus	9 (29.0%)	18 (38.3%)	0.47
Current smoking	0 (0%)	2 (4.3%)	0.52
Daily alcohol drinking	12 (38.7%)	13 (27.7%)	0.33
Coronary artery disease	26 (83.9%)	43 (91.5%)	0.47
Prior percutaneous coronary intervention	25 (80.6%)	39 (83.0%)	1.0
Prior coronary bypass surgery	1 (3.2%)	2 (4.3%)	1.0
Prior stroke	4 (12.9%)	4 (8.5%)	0.71
Atrial fibrillation	6 (19.4%)	7 (14.9%)	0.76
History of gastroduodenal ulcer	5 (16.1%)	9 (19.1%)	0.77
History of eradication of H. pylori	3 (9.7%)	5 (10.6%)	1.0
Gastrointestinal symptom rating scale
Reflux symptom score	1.4 ± 0.6	1.3 ± 0.6	0.19
Abdominal pain score	1.4 ± 0.7	1.2 ± 0.5	0.32
Indigestion score	1.4 ± 0.6	1.6 ± 0.6	0.24
Positive urinary H. pylori antibodies	15 (48.4%)	22 (46.8%)	1.0
Duration of lansoprazole or famotidine treatment			0.76
<1 year	7 (14.9%)	6 (19.4%)
≥1 year(s)	40 (85.1%)	25 (80.6%)
Dose of aspirin			1.0
81 mg/day	1 (3.2%)	2 (4.3%)
100 mg/day	30 (96.8%)	45 (95.7%)
Type of aspirin			1.0
Enteric-coated formulation	30 (96.8%)	45 (95.7%)
Buffered formulation	1 (3.2%)	2 (4.3%)
Other antiplatelet agents	12 (38.7%)	17 (36.2%)	1.0
Warfarin	8 (25.8%)	8 (17.0%)	0.40
Dabigatran	2 (7.4%)	2 (4.3%)	0.62
Nitrates	10 (32.3%)	16 (34.0%)	1.0
Calcium antagonists	14 (45.2%)	26 (55.3%)	0.49
Angiotensin-converting enzyme inhibitors	3 (9.7%)	4 (8.5%)	1.0
Angiotensin receptor blockers	14 (45.2%)	30 (63.8%)	0.16
Statins	27 (87.1%)	42 (89.4%)	1.0

The data are presented as the mean ± SD or number (%).