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. 2010 Nov 22;55(2):921–924. doi: 10.1128/AAC.00996-10

TABLE 2.

acrAB overexpression in MDR isolates

Resistance No. (%) of isolates with acrAB expression
Normal Increased
Non-MDR 19 3 (13.6)
MDR(≥3) 17 17a (50.0)
MDR(≥5) 5 8b (61.5)
a

Significantly increased relative to the value for the non-MDR classification (P < 0.05).

b

Significantly increased relative to the value for the non-MDR classification (P < 0.01).