Table 2.

Time (days) to report positive cultures and drug susceptibility testing results for M. tuberculosis clinical isolates, according to smear status

^*Culture on Ogawa medium and DST by absolute concentration method using Löwenstein-Jensen (LJ) medium (obtained between January and June 2008); ^†Liquid culture and DST using MGIT 960 system (obtained between January and June 2010).

Abbreviations: IQR, interquartile range; MGIT, mycobacteria growth indicator tube; DST, drug susceptibility testing; AC, absolute concentration.