TABLE 1.

Susceptibility testing of 150 isolates of M. tuberculosis by the PM and the REMA plate method

Drug	MIC (μg/ml) by REMA plate method	PM
		No. of resistant strains	No. of susceptible strains
ETH	<0.62		109
	1.25	1	10
	2.5a
	5.0	4
	10.0	7
	>20.0	19
KAN	<0.62		70
	1.25		34
	2.5a		17
	5.0	4
	10.0	3
	>20.0	22
PAS	<0.25		13.3
	0.5		5
	1.0		2
	2.0a		1
	4.0
	>8.0	9
OFX	<0.25		14.1
	0.5		1
	1.0
	2.0a
	4.0	4
	>8.0	4
CAP	<0.30		29
	0.62		40
	1.25	1	53
	2.5a	2	9
	5.0	5
	10.0	11

^aTentative breakpoint concentration.