Fig. 2

Kaplan-Meier survival curves illustrating the time from ILD diagnosis to death, differentiated by length of stay (LOS) for cardiopulmonary reasons. The solid blue line represents patients with a LOS of less than 7 days, while the dashed red line denotes those with a LOS greater than 7 days. Statistical significance between the two groups is assessed using the Log-rank test with a p-value of 0.01