Table 3.

TB laboratory testing results of patients on methadone treatment at the Muhimbili Medically Assisted Treatment Program, Dar es Salaam, Tanzania

Characteristic	n/N (%)
Total patients surveyed	150
Symptom-positive	16/150 (11)
Smear-positive, culture-positive	1/16 (6)
Smear-negative, culture-positive*	5/16 (31)
Smear-negative, culture-negative	10/16 (63)
New TB cases	6/150 (4)
Multidrug-resistant TB†	1/6 (17)

^*On sputum culture, one patient with unknown HIV status was found to have mycobacteria other than TB. This patient was not considered a positive case, but may have had an opportunistic infection.

^†One sputum sample was contaminated during drug susceptibility testing.

TB = tuberculosis.