TABLE 3.

Discrepant results of susceptibility testing for clarithromycin determined by phenotypic methods (MIC by ɛ-Test and agar dilution), real-time PCR, and PCR-RFLP^a

Biopsy no.	ɛ-Test	Agar dilution	Real-time PCR		PCR-RFLP
			WT	A2142/43G	WT	BbsI	BsaI
B18	S	S	+	+	+		+
B37	S	S	+	+	+	+
B92	S	S	+	+	+	+
B260	S	S	+	+	+	+
B128	R	R	+		+
B130	R	R	+		+
B250	R	R	+		+
B73	S	R	+		+
B55	S	R	+	+	+		+
B294	S	R	+	+	+		+
B202	S	R	+		+		+

^aWT, wild type. R, resistant; S, susceptible.