Sensitivity and Specificity of different TB Screening and Diagnostic Tools

The pooled sensitivity and specificity of screening tests in adults, using culture-confirmed pulmonary tuberculosis (TB) as the gold standard, are summarized in Table 1.

Table 1: Pooled Sensitivity and Specificity of Different Screening Tools for Pulmonary Tuberculosis (TB), using Culture-confirmed Pulmonary TB as the Gold Standard; Source: Systematic Screening for Active Tuberculosis; Principles and Recommendations, p.44

The yield of different diagnostic tests were estimated using the point estimates for sensitivity and specificity for different diagnostic tools, and is summarized in Table 2.

Table 2: Sensitivity and Specificity of Different Diagnostic Tests from Systematic Reviews, using Culture-confirmed Pulmonary Tuberculosis (TB) as the Gold Standard; Source: Systematic Screening for Active Tuberculosis; Principles and Recommendations, p.45

Resources

• Systematic Screening for Active Tuberculosis; Principles and Recommendations, WHO 2013.

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