TABLE 1.

MICs of INH and RIF for 80 M. tuberculosis isolates determined by using the REMA plate method

Result with PM (n)No. of isolates for which INH MIC (μg/ml) was:No. of isolates for which RIF MIC (μg/ml) was:
≤0.030.060.250.51.0>1.0≤0.060.1250.250.5>2.0
INH resistant (54)361332
INH susceptible (26)1871
RIF resistant (49)148
RIF susceptible (31)14710