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Table 2 Univariate analysis of iron deposition, ASCD, fibrosis score and FVC% with RVSP

From: Iron deposition and increased alveolar septal capillary density in nonfibrotic lung tissue are associated with pulmonary hypertension in idiopathic pulmonary fibrosis

Variable Parameter estimate P
Iron deposition (n = 114)   < 0.001
   Grade 0 Reference  
   Grade 1 3.0  
   Grade 2 6.6  
   Grade 3 18.6  
ASCD (n = 91)   < 0.001
   Grade 1 (ASCD < 1.5) -12.7  
   Grade 2 (ASCD ≥ 1.5) Reference  
Fibrosis score (n = 116) 0.01 0.75
FVC% (n = 113) -0.2 0.034