AFB Smear Detection by LJ Medium Detection by Micro MGIT System
Number TTD (Days) Range (Days) Number TTD (Days) Range (Days)
Positive (N=2) 2 36 15-40 2 8 7-10
Negative (N=198) 12 40 32-42 20 18 15-44
AFB - Acid fast bacilli
LJ- Lowenstein Jensen media
Table 2: The Time to Detection (TTD) of Mycobacteria for smear positive and smear negative isolates in BACTEC MGIT and LJ Medium.