Table 5 Identifying asbestosis and FHP in pulmonary interstitial and parenchyma features on HRCT
Characteristics | Sensitivity | Specificity | PPV | NPV | + LR (95% CI) | − LR (95% CI) |
|---|---|---|---|---|---|---|
Irregular and/or linear opacities | ||||||
Interlobular opacities | 0.94 | 0 | 0.72 | 0 | 0.94 (0.91–0.97) | – |
Subpleural lines | 0.27 | 0.88 | 0.86 | 0.31 | 2.26 (1.18–4.33) | 0.83 (0.73–0.93) |
Subpleural dots | 0.57 | 0.86 | 0.92 | 0.42 | 4.21 (2.34–7.58) | 0.50 (0.42–0.60) |
Honeycombing | 0.09 | 0.92 | 0.76 | 0.27 | 1.15 (0.48–2.77) | 0.99 (0.91–1.07) |
Inhomogeneous attenuation | ||||||
Mosaic attenuation | 0.22 | 0.80 | 0.75 | 0.27 | 1.10 (0.65–1.83) | 0.98 (0.85–1.12) |
Three-density pattern | 0.15 | 0.82 | 0.70 | 0.26 | 0.87 (0.48–1.56) | 1.03 (0.91–1.16) |
Ground glass opacity | 0.60 | 0.07 | 0.64 | 0.06 | 0.65 (0.57–0.73) | 5.88 (2.48–13.93) |