Table 4– Chest radiograph findings and forced vital capacity (FVC)
Radiographic findingsSubjects nAge yrsBMI kg·m−2Males %Ever-smokers %FVC % pred#
Pleural abnormality excluding DPT, CAO or profusion ≥1/048260.07±0.5330.30±0.2463.5063.6995.63±0.76
DPT or CAO excluding profusion ≥1/03366.73±1.8530.79±1.2566.7081.8078.76±3.64
Profusion ≥1/04067.50±1.7328.04±0.9770.0077.5082.16±3.34
No pleural abnormality, no effusion and no pleural abnormality, no effusion and no profusion ≥1/0406549.12±0.7628.4837.6048.80103.15±0.25
  • Data are presented as mean±se, unless otherwise stated. BMI: body mass index; % pred: % predicted; DPT: diffuse pleural thickening; CAO: costophrenic angle obliteration. #: using the prediction equations of Knudson et al. [9].