Fig. 3

Comparison of survival outcomes. A. Comparison of Kaplan–Meier survival curves between the interstitial lung abnormality (ILA) and no ILA groups. B. Comparison of Kaplan–Meier survival curves between participants with and without ILA development or progression. The ILA group showed higher mortality than that of the no ILA group (5-year mortality: 1.5% vs. 3.4%; 10-year mortality: 3.4% vs. 5.4%; log-rank P = 0.059). Those who exhibited ILA progression or development also showed higher mortality than that of those without ILA or progression (5-year mortality: 1.5% vs. 3.8%; 10-year mortality: 3.4% vs. 6.1%; log-rank P = 0.013). ILA, interstitial lung abnormality