TABLE 2.

Drug MIC, presence of β-lactamase, and tetM genes of pre- and post-treatment isolates of N. gonorrhoeae

Patient	Isolate no.	MIC (mg/liter) of penicillin/β-lactamase	MIC (mg/liter) of tetracycline/tetM	MIC (mg/liter) of:
				Spectinomycin	Ceftriaxone	Ciprofloxacin	Ofloxacin
A	A1	0.125/negative	64/positive	16	≤0.007	≤0.007	0.03
	A2	0.25/negative	4/negative	8	≤0.007	≤0.007	0.015
B	B1	1/negative	128/positive	16	≤0.007	≤0.007	0.03
	B2	1/negative	128/positive	16	≤0.007	0.125	2
C	C1	0.5/negative	32/positive	16	≤0.007	≤0.007	≤0.007
	C2	0.5/negative	16/positive	16	≤0.007	≤0.007	0.015
D	D1	8/positive	32/positive	16	≤0.007	≤0.007	≤0.007
	D2	4/positive	32/positive	16	≤0.007	≤0.007	0.015
E	E1	0.5/negative	2/negative	16	≤0.007	≤0.007	0.015
	E2	1/negative	1/negative	16	≤0.007	≤0.007	0.03
F	F1	0.25/negative	32/positive	32	≤0.007	≤0.007	0.015
	F2	0.25/negative	32/positive	16	≤0.007	≤0.007	0.015
G	G1	0.25/negative	16/positive	16	≤0.007	≤0.007	≤0.007
	G2	0.25/negative	32/positive	16	≤0.007	≤0.007	0.015