Table 5.

Detection time in the BACTEC 460TB and MGIT 960 systems

SpeciesDetection time (mean days ± SD) ina:Pb
460960
M. tuberculosiscomplex18.47 ± 7.1014.08 ± 4.70<0.001
M. avium-M. intracellulare 14.19 ± 6.428.91 ± 3.37<0.001
Other mycobacteria24.67 ± 16.3526.75 ± 17.42NS
All mycobacteria18.64 ± 10.6214.49 ± 9.930.004
Contamination18.64 ± 16.348.81 ± 9.47<0.001
  • a Abbreviations: 460, BACTEC 460TB system; 960, BACTEC MGIT 960 system.

  • b For comparison of BACTEC systems. NS, not significant.