Table 2.

TTD of primary bacterial isolates by the LRP, MGIT 960, and LJ systems

Culture systemMedian TTD (days) (range, no. of isolates)
M. tuberculosis complexNTMAll cultures
Nonpaired Paireda
LRP 7 (1–41, 51) 7 (1–41, 50)3 (3, 3) 6 (1–41, 54)
MGIT 7.5 (4–42, 66)7 (4–42, 50) 7 (6–10, 3) 7 (4–42, 69)
LJ14 (8–42, 51) 20 (20, 3)14 (8–42, 64)
  • a Isolates recovered by the LRP and MGIT 960 systems.