Variablea Baseline (n=12) 6 monthsb(n=11)
HRCT chest    
Resolved 0 (0%) 0 (0%)
Better 0 (0%) 1 (9%)
Stable 10 (83%) 8 (73%)
Worse 2 (17%) 2 (18%)
aThe sample median (25th, 75th percentiles) is given for numerical variables, n (%) for categorical variables. bOne patient had no 6 month data.
Table 3: Temporal changes in HRCT.