Table 2: Explaining the position and frequency of polymorphism with resistance pattern of isolates.

Mutation positionPolymorphismFrequency (%)Resistance pattern
RIFINHSTMEMB

222C → A23%RRRS
SSRS
RSRS

885G → T8%SSRS

892G → A31%SRRS
SSRS
RRRS
RRRR

904A → G15%SRRS
RRRR

906A → G8%SRRS
T → A8%RSRS

1400G → A8%RRRR
G → C8%SSRS

R: resistance; S: sensitive; RIF: rifampicin; INH: isoniazid; STM: streptomycin; EMB: ethambutol.