| This study(n = 52) | Leung et al12(n = 74) | |||
| Ultrasound | CT scanning | |||
| Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | |
| Parietal pleural thickening >1 cm | 42 | 95 | 56 | 88 |
| Nodular pleural thickening | 42 | 100 | 36 | 85 |
| Visceral pleural thickening | 15 | 100 | NA | NA |
| Diaphragmatic thickening >7 mm | 42 | 95 | NA | NA |
| Diaphragmatic layers resolved | 30 | 95 | NA | NA |
| Diaphragmatic nodules | 30 | 100 | NA | NA |
| Overall | 79 | 100 | 72 | 83 |
NA, not assessed.