Table 5– Diffuse pleural thickening (DPT) and forced vital capacity (FVC)
DPT characteristics#Subjects nFVC % pred mean±se
Extent ≥2 and width ≥a3076.26±2.84
Extent <2 and/or width <a2391.98±3.63
All subjects5383.08±2.48

  • % pred: % predicted. #: based upon 2000 International Labour Organization guidelines, extent 2 represents >25% chest wall involvement and width a = 3 mm. : p = 0.0006.