TABLE 2

Comparison of 7 plate types regarding MIC versus MRSA ATCC 43300 in Mueller-Hinton broth in the presence and absence of Tween 80 (polysorbate 80)

PlateMediumMIC (µg/ml) by antibiotic
VancomycinCiprofloxacinTelavancinDalbavancinMCC223MCC310MCC520
Nunc flat TC−T801–210.5–10.2524–84
+T8010.25–0.50.125– 0.250.125–0.251–22–42–4
Nunc U TC−T800.50.125–0.250.50.2522–44
+T8010.25–0.50.25–0.50.06–0.251–21–41–2
Nunc flat PS−T8010.1250.060.50.5–11–20.25
+T8010.25–0.50.060.250.25–0.50.25–0.50.25–0.5
Corning flat NBS−T800.50.125–0.250.03–0.060.03–0.06≤0.003≤0.0030.007
+T8010.50.1250.125–0.50.003–0.0070.007–0.0150.015
Corning flat PS−T800.50.250.060.5–10.5–140.125–0.25
+T801–20.25–0.50.03–0.060.03–0.1250.003–0.007≤0.0030.007
Corning flat TC−T800.50.06–0.125141–22–42–4
+T8010.125–0.50.125–0.250.125–0.251–22–44
Trek flat PS−T800.5–10.125–0.50.03–0.060.25–0.50.5–140.125
+T8010.25–0.50.03–0.060.06≤0.003≤0.0030.007–0.015