Table 1.

Range and concentrations of compounds tested.

Compound	Test range (mg/L)
Amikacin	4–32
Aztreonam	1–16
Cefepime	1–32
Cefotaxime	1–32
Cefoxitin	2–16
Ceftolozane–tazobactam	0.06–32
Ceftazidime	1–32
Ceftriaxone	1–32
Ciprofloxacin	0.25–2
Colistin	1–4
Ertapenem	0.06–4
Imipenem	0.5–32
Levofloxacin	1–4
Meropenem	0.12–16
Piperacillin-tazobactam	2–64