Resistance Frequency n (%)
 H 52 (63.4)
 R 49 (59.8)
 E 37 (45.1)
 S 50 (61.0)
HR (MDR*) 46 (56.1)
HE 35 (42.7)
HS 45 (54.9)
RS 44 (53.7)
RE 34 (41.5)
ES 33 (40.2)
HES 31 (37.8)
RES 32 (39.0)
HRE 33 (40.2)
HRS 42 (51.2)
HRES 31(37.8)
*MDR, defined as resistance to at least H and R H=Isoniazid, R= Rifampicin, E= Ethambutol, S=streptomycin, Z= Pyrazinamide (not tested)
Table 2: Drug resistance patterns to first line anti-TB drugs of Mycobacterium tuberculosis isolated from TB patients in Oyo & Osun States (n = 82).