- Resistant, dark gray; intermediate, medium gray; sensitive, light gray
- aAntibiotic classes: class 1, aminoglycosides; class 2, carbapenems; class 3, fluoroquinolones; class 4, penicillin/beta-lactamase inhibitor; class 5, extended-spectrum cephalosporins; class 6, aminopenicillins; class 7, aminopenicillins/beta-lactamase inhibitor; and class 8, folic acid synthesis inhibitor
- bR number of resistant isolates