TABLE 2.

Comparison of CHG MIC distributions of the qacA-positive, qacB-positive, qacA/B₂₇₃-positive, and qacA/B-negative isolates and CHG MIC distributions of smr-positive and smr-negative isolates

Genotype	Total no. of isolates	CHG MIC (μg/ml)
		50%	90%	Range
qacA positive	559	1	2	0.5–4
qacB positive	17	1	1	0.25–2
qacA/B273 positive	56	4	4	0.5–4
qacA/B negative	418	1	1	0.125–2
smr positive	279	1	2	0.25–4
smr negative	771	1	1	0.125–4