TABLE 2.

Sensitivity of culture systems according to mycobacterial speciesa

Mycobacteria (no. of isolates)Sensitivity (95% confidence interval)
BACTEC MGIT 960BACTEC 460Solid mediaaBACTEC MGIT 960 + solid mediaBACTEC 460 + solid media
All species (1,381)0.81 (0.76-0.86)0.85 (0.81-0.89)0.67 (0.63-0.72)0.87 (0.82-0.91)0.89 (0.85-0.93)
M. tuberculosis (810)0.88 (0.84-0.91)0.90 (0.86-0.93)0.76 (0.73-0.79)0.92 (0.87-0.95)0.93 (0.89-0.96)
All nontuberculous mycobacteria (571)0.66 (0.55-0.76)0.75 (0.68-0.81)0.51 (0.40-0.60)0.76 (0.62-0.86)0.88 (0.80-0.93)
M. avium complex (265)0.80 (0.75-0.85)0.73 (0.67-0.78)0.57 (0.42-0.70)0.86 (0.75-0.93)0.83 (0.67-0.92)
Other nontuberculous mycobacteriab (306)0.53 (0.42-0.64)0.64 (0.57-0.75)0.47 (0.34-0.61)0.70 (0.55-0.81)0.88 (0.80-0.93)
  • a Lowenstein-Jensen in nine studies.

  • b Other nontuberculous mycobacteria more commonly isolated were M. xenopi (n = 53), M. gordonae (n = 40), M. fortuitum (n = 20), M. kansasii (n = 18), and M. chelonae (n = 14).