Patients with Helicobacter pylori positive and negative duodenal ulcers have distinct clinical characteristics

Table 4 Relationship of H pylori status and concomitant medical problem.

Concomitant medical problem (%)	H pylori negative (n = 398)	H pylori positive (n = 945)	P
Hypertension	30.7	16.6	<0.001
Diabetes mellitus	15.3	7.0	<0.001
Ischemic heart disease	10.0	4.1	<0.001
Rheumatic diseases	7.8	2.4	<0.001
Cerebral vascular accidents	7.3	3.5	<0.005
Congestive heart failure	5.8	0.4	<0.001
Chronic renal failure	5.8	0.3	<0.001
Chronic obstructive airway disease	5.5	1.3	<0.001
Cirrhosis	4.0	0.5	<0.001
Asthma	1.0	1.5	NS