Table 5 Fractional inhibitory concentration (FIC) index of the checkerboard procedure in 42 A. baumannii isolates
Combination of compounds | FIC index (N,%) | ||||
|---|---|---|---|---|---|
<0.5 Synergy | 0.5 to 0.75 partial synergy | 0.76 to 1.0 additive effect | >1.0 to 4.0 indifference | >4.0 antagonism | |
Imipenem + AML | 6 (14.3%) | 15 (35.7%) | 10 (23.8%) | 11 (26.2%) | 0 (0%) |