Risk factors and therapeutic response in Chinese patients with peptic ulcer disease

Table 1 Clinical features of the two groups of patients at examination n (%)

	Upper endoscopy finding		Total	P-value
	Gastric ulcers	Duodenal ulcers
Case numbers (prevalence)	254 (56.6)	194 (43.4)	448 (100)
Age (yr)	60.44 ± 15.27	51.99 ± 16.24		0.0011
Gender
Male	142 (55.8)	110 (56.7)	252 (56.2)	0.8662
Female	112 (44.1)	84 (43.3)	196 (43.8)
H. pylori
Positive	110 (43.3)	121 (62.4)	231 (56.7)	0.0012
Negative	144 (56.7)	73 (37.6)	217 (43.3)
Smoking
Yes	36 (14.2)	31 (16.0)	67 (15.8)	0.5952
No	218 (85.8)	163 (84.0)	381 (86.0)
Alcohol
Yes	21 (8.3)	22 (11.3)	43 (9.6)	0.2742
No	233 (91.7)	172 (88.7)	405 (90.4)
Co-medications
Nil	218 (85.8)	187 (96.4)	405 (90.4)	0.0012
Aspirin	19 (7.5)	3 (1.5)	22 (4.9)
NSAIDs	17 (6.7)	4 (2.1)	21 (4.7)

¹t test;

²Pearson’s χ² test. NSAIDs: Nonsteroidal anti-inflammatory drugs.