n (%)

Initial HRCT findings

NSIP

9 (16.4%)

UIP

24 (43.6%)

Other

24 (43.6%)

BOOP

1 (1.8%)

HRCT progress (first to last scan) (n = 48)

Improved

3 (6.3%)

Static

35 (72.9%)

Worsened

10 (20.8%)