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Table 8 Correlation of maximal extent score with pulmonary function (spirometry)

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

 

Maximal extent score

 

r

P value

Pred (FVC)

− 0.540

0.002

Best (FVC)

-0.314

0.091

% (B/P) (FVC)

0.049

0.799

Pred (FEV1)

-0.525

0.003

Best (FEV1)

-0.430

0.018

% (B/P) (FEV1)

-0.168

0.375

Pred (FEV1 % FVC)

-0.120

0.529

Best (FEV1 % FVC)

-0.332

0.073

% (B/P) (FEV1 % FVC)

-0.331

0.074

  1. r Pearson correlation coefficient