Fig. 6From: Variability of forced vital capacity in progressive interstitial lung disease: a prospective observational studyProgression- and transplant-free survival in patients with low and high FVC variability. Based on the optimal cut-off of 7.9%, patients with high FVC variability (≥7.9%) had significantly shorter progression- and transplant-free survival compared to patients with low FVC variability (< 7.9%; p = 0.003)Back to article page