TABLE 1.

Demographic characteristics of the participants (n = 76).

Group	Number of subjects	Age (years)	Female percentage (%)	Time on MDR-TB treatment	Time after MDR-TB treatment	Drug resistance to isoniazid and rifampicin
Untreated 1	24	40 ± 18	17	N/A a	N/A	Sensitive
Treated	6	41 ± 22	17	2–14 months	N/A	Resistant
Untreated 2	28	48 ± 12	48	N/A	N/A	Sensitive
Recovered	18	52 ± 12	55	2–5 years	3–8 years	Resistant

The age data are represented as mean ± SD. Untreated group 1 and untreated group 2 are the age and sex matched controls for the multi-drug-resistant tuberculosis (MDR-TB) treated group and the MDR-TB recovered group, respectively. ^aN/A, not applicable.