Table 4.

Occurrence of acute exacerbations of idiopathic pulmonary fibrosis (AE‐IPF) (n = 14)

Variable	Events
Until the initiation of second‐line chemotherapy, n (%)	0 (0.0)
Within 30 days from the last first‐line chemotherapy administration, n (%)	0 (0.0)
Entire observation period, n (%)	4 (28.6)