Table 2.

Microbroth MICs for 12 strains tested by the time-kill method

DrugMIC (μg/ml) for straina:
1(S)2(S)3(S)4(S)5(I)6(I)7(I)8(I)9(R)10(R)11(R)12(R)
Penicillin0.060.0160.030.030.50.50.250.254.02.04.04.0
GAR-9360.060.030.030.060.1250.060.030.030.030.030.060.06
Tetracycline64.00.564.00.54.064.00.1250.2532.032.01.032.0
Minocycline16.00.1258.00.1250.564.00.060.0616.08.00.254.0
Doxycycline8.00.2516.00.251.016.00.060.1258.08.01.08.0
Amoxicillin0.030.030.0160.0160.060.1250.1250.061.01.02.02.0
Ceftriaxone0.060.0160.0160.0160.1251.00.060.062.02.01.02.0
Clarithromycin>64.00.030.0160.03>64.00.0080.0160.03>64.0>64.00.03>64.0
Imipenem0.0080.0080.0080.0080.030.060.030.030.250.250.50.25
Meropenem0.0160.0160.0160.0080.060.1250.1250.061.00.51.01.0
Vancomycin0.250.250.50.50.250.50.50.1250.50.250.250.25
  • a S, penicillin susceptible; I, penicillin intermediate; R, penicillin resistant.