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Table 9 Correlation of maximal severity score with pulmonary functions (spirometry)

From: Systemic sclerosis: correlation between lung abnormalities on high-resolution computed tomography (HRCT) and pulmonary function tests (PFTs)

 Maximal severity score
 rP value
Pred (FVC)− 0.4210.020
Best (FVC)-0.1540.417
% (B/P) (FVC)0.1680.375
Pred (FEV1)-0.3980.029
Best (FEV1)-0.2870.125
% (B/P) (FEV1)-0.0590.758
Pred (FEV1 % FVC)0.0020.993
Best (FEV1 % FVC)-0.3660.046
% (B/P) (FEV1 % FVC)-0.3730.042
  1. r Pearson correlation coefficient