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. 2014 Aug 20;50(2):37–44. doi: 10.4068/cmj.2014.50.2.37

TABLE 2.

Antimicrobial categories and agents used to define multidrug resistance (MDR), extreme drug resistance (XDR), and pandrug resistance (PDR) in Acinetobacter species

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MDR: nonsusceptible to ≥1 agent in ≥3 antimicrobial categories, XDR: nonsusceptible to ≥1 agent in all but ≤2 categories, PDR: nonsusceptible to all antimicrobial agents listed.

Adapted from reference 11.