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Multicenter Study
. 2003 Apr;41(4):1779-82.
doi: 10.1128/JCM.41.4.1779-1782.2003.

Evaluation of the BDProbeTec ET system for direct detection of Mycobacterium tuberculosis in pulmonary and extrapulmonary samples: a multicenter study

Gianna Mazzarelli  1 , Laura Rindi, Paola Piccoli, Claudio Scarparo, Carlo Garzelli, Enrico Tortoli
Affiliations
Multicenter Study

Evaluation of the BDProbeTec ET system for direct detection of Mycobacterium tuberculosis in pulmonary and extrapulmonary samples: a multicenter study

Gianna Mazzarelli et al. J Clin Microbiol. 2003 Apr.

Abstract

We evaluated the BDProbeTec ET system (Becton Dickinson, Sparks, Md.), a strand displacement amplification-based technique, for direct detection of Mycobacterium tuberculosis in 867 clinical samples. Of 294 extrapulmonary specimens, 52 had positive results by both BDProbeTec ET and culture and 209 had negative results by both methods; sensitivity and specificity were 76.5 and 95.9%, respectively. After resolution of discrepancies, the sensitivity rose to 77.8%.

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