Table 2.
Baseline characteristics of the three groups of patients with IPAF
| Progressive | Improved | Stable | P value | |
|---|---|---|---|---|
| Number, n | 9 | 13 | 14 | – |
| Age, year | 53.78 ± 17.18 | 53.38 ± 10.85 | 53.44 ± 12.16 | 0.996 |
| Female, n (%) | 5 (55.55%) | 9 (69.23%) | 8 (57.14%) | 0.753 |
| BMI (kg/m2) | 24.36 ± 3.05 | 24.13 ± 4.49 | 24.38 ± 2.19 | 0.979 |
| Smoker, n (%) | 2 (22.22%) | 2 (15.38%) | 5 (35.71%) | 0.379 |
| DLCO (% Pred) | 62.37 ± 14.43 | 54.05 ± 12.8 | 53.85 ± 13.54 | 0.355 |
| FVC (% Pred) | 68.59 ± 11.92 | 69.76 ± 10.82 | 76.25 ± 19.82 | 0.220 |
| FEV1 (% Pred) | 73.74 ± 14.49 | 70.44 ± 10.85 | 80.6 ± 18 | 0.422 |
IPAF Interstitial pneumonia with autoimmune features, BMI body mass index, DLCO diffusing capacity for carbon monoxide, FVC forced vital capacity, FEV1 forced expiratory volume in 1 s, SP-A surfactant protein-A, KL-6 Krebs von den Lungen-6, %Pred percent predicted. The data are presented as median with interquartile range or as number (percentage)