Table 1. Distribution of patterns of susceptibility to first-line drugs.

Resistance Pattern	N	%
H+R+S+E	66	8.91
H+R+S	59	7.96
H+R+E	5	0.67
H+R	17	2.29
H+S+E	12	1.62
H+S	90	12.15
H+E	4	0.54
R+E	1	0.13
S+E	1	0.13
S+R	1	0.13
E	8	1.08
H	78	10.53
R	3	0.4
S	115	15.52
Sensitive	246	33.2
No data	35	4.72
TOTAL	741	100

H: Isoniazid, R: Rifampicin; S: Streptomycin: E: Ethambutol.