TABLE 1.

Prevalence of metronidazole-resistant H. pylori

Clinical diagnosis	Metronidazole sensitivitya	No. of patients
		Gender		Ethnicityb
		Female	Male	C	M	I	O
PU	S	19	46	52	6	6	1
	R	6	10	14	2	0	0
NUD	S	8	9	12	1	3	1
	R	9	13	18	1	1	2

^aMetronidazole sensitivity results are based on the results of the agar dilution method (9). S, sensitive; R, resistant.

^bC, Chinese; M, Malay; I, Indian; O, other.