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General characteristics of the enrolled patients
| AE-IPF | Control group | χ2/t | p-value | |
|---|---|---|---|---|
| Number of patients | 21 | 23 | ||
| Sex (male) | 19 (90.5%) | 20 (87.0%) | χ2 = 0.012 | 0.914 |
| Age (years), mean ± SD | 65.2 ± 6.8 | 62.4 ± 5.7 | t = 1.485 | 0.145 |
| Duration of IPF (years), mean ± SD | 1.2 ± 0.3 | 1.0 ± 0.5 | t = 1.589 | 0.119 |
| Baseline anti-fibrotic therapya | 9 (42.86%) | 12 (52.17%) | χ2 = 0.100 | 0.752 |
aBaseline anti-fibrotic therapy included pirfenidone and nintedanib
