Table 3 Pleural abnormality between asbestosis and FHP on HRCT

n

204

74

–

Pleural abnormality

201 (98.5)

57 (77.0)

< 0.001

 Parietal type

120 (58.8)

57 (77.0)

0.005

 Visceral type

81 (39.7)

0

< 0.001

  Parenchymal bands

77 (37.7)

0

< 0.001

  Rounded atelectasis

12 (5.9)

0

0.040

 Distribution

  Chest wall

200 (98.0)

57 (77.0)

< 0.001

  Mediastinum pleural

66 (32.4)

0

< 0.001

  Diaphragm pleural

121 (59.3)

0

< 0.001

Pleural calcification

141 (69.1)

0

< 0.001

 Chest wall

140 (68.6)

0

< 0.001

 Mediastinum pleural

53 (26.0)

0

< 0.001

 Diaphragm pleural

100 (49.0)

0

< 0.001

Pleural effusion

19 (9.3)

0

< 0.001