Sputum smear negative pulmonary tuberculosis: sensitivity and specificity of diagnostic algorithm

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Published online 2011 November 1. doi: 10.1186/1756-0500-4-475

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Table 2

Sensitivity and specificity of the diagnostic procedure of patients with smear negative

Positive predictive value = 52%

Negative predictive value = 62.6%

Sensitivity = 38.1%

Specificity = 74.5%

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