TABLE 1.

Correlation of ciprofloxacin MICs with QRDR mutations in N. meningitidis

Ciprofloxacin MIC (ng/μl)	No. of N. meningitidis isolates	GyrA mutation(s)	ParC mutation	No. of isolates
≤0.015	64	None	None	63
		T91A	None	1
0.06	16	T91I	None	4
		T91F	None	1
		D95N	None	11
0.125	76	T91I	None	76
0.25	35	T91I	None	34
		T91I + D95G	None	1
0.5	5	T91I	D86N	2
		T91I	S87R	2
		T91I	E91G	1
1	2	T91I	S87I	1
		T91I	S87R	1