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. 2012 Oct;50(10):3275–3282. doi: 10.1128/JCM.01225-12

Table 3.

Smear status and number of MTBC and NTM detected from initial specimens in ≤28 days and >28 days by MGIT and BacT/Alerta

System used Smear status No. of specimens detected
All
>28 days, NTM >28 days, MTBC
≤28 days >28 days
MGIT
+ (n = 315) 309 6 5 1b
− (n = 510) 464 46 45 1
BacT/Alert
+ (n = 117) 114 3 2 1
− (n = 444) 386 58 51 7
a

“Initial specimens” refers to known follow-up specimens excluded from analysis.

b

This MTBC was recovered in <28 days on solid media.