Table 4 Comparison of sensitivity, specificity, and predictive values between IS and BAL
From: Diagnostic yield of induced sputum and Bronchoalveolar lavage in suspected pulmonary tuberculosis
Diagnostic performance parameters | IS | BAL |
|---|---|---|
Sensitivity (95% CI) | 38.5 (20.2–59.4) | 84.6 (65.1–95.6) |
Specificity (95% CI) | 100 (98.1–100) | 100 (98.1–100) |
Positive predictive value (95% CI) | 100 (69.2–100) | 100 (84.6–100) |
Negative predictive value (95% CI) | 92.2 (87.6–95.5) | 97.9 (94.8–99.4) |