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Table 3 Comparison between initial and 1-year follow-up lung function according to antinuclear antibody (ANA) positivity

From: Factors affecting treatment outcome in patients with idiopathic nonspecific interstitial pneumonia: a nationwide cohort study

  ANA negative (n = 41) ANA positive (n = 18)
  Initial Follow-up p-value Initial Follow-up p-value
FVC (%) 72.1 ± 20.6 83.2 ± 15.5 0.008 68.6 ± 19.5 76.4 ± 18.1 0.102
FEV1 (%) 80.1 ± 23.7 91.4 ± 19.7 0.005 75.4 ± 19.0 83.7 ± 19.1 0.091
DLco (%) 68.7 ± 24.9 80.8 ± 26.0 <0.001 62.9 ± 21.1 64.9 ± 23.4 0.568
  1. FVC forced vital capacity, % pred percentage of the predicted value, FEV 1 forced expiratory volume, DL CO diffusing capacity of the lung for carbon monoxide, ANA antinuclear antibody