Value of a new stick-type rapid urine test for the diagnosis of Helicobacter pylori infection in the Vietnamese population

Table 1 Demographic characteristics and clinical diagnostics of the patients evaluated

Characteristics	H. pylori positive(n = 111)	H. pylori negative(n = 89)	Total(n = 200)
Mean age (range) (yr)	35.5 (18-62)	36.6 (18-76)	36 (18-76)
Sex (female/male)	59/52	57/32	116/84
Diagnosis
Normal gastroduodenal tract	1	6	7
Gastritis and/or duodenitis	83	66	149
Gastric ulcer	4	1	5
Duodenal ulcer	16	1	17
Reflux esophagitis	5	15	20
Reflux esophagitis and peptic ulcer disease	2	0	2

H. pylori: Helicobacter pylori.

Table 2 Diagnostic accuracy of Rapirun^® Stick test

Rapirun® Stick test	H. pylori infection status
	Positive	Negative
Positive (103)	94	9
Negative (97)	17	80
Total	111	89

Sensitivity, 84.7% (94/111); specificity, 89.9% (80/89); positive predictive value, 91.2% (94/103); negative predictive value, 82.5% (80/97), and accuracy, 87.0% [(94 + 80)/(111 + 89)]. H. pylori: Helicobacter pylori.