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Table 1 Clinical baseline characteristics of the IPF cohort
| Demographic parameters | Value |
|---|---|
| Ethnical origin (% of the whole IPF cohort) | |
| Caucasian | 67.6 |
| African | 3.8 |
| Indian | 1.3 |
| Polynesian | 1.0 |
| Missing data (Patients did not provide the ethnic origin) | 26 |
| Male (%) | 73.7 |
| BMI | |
| mean value ± SD (kg-m2) | 27.2 ± 4.6 |
| Familial IPF (% of the whole IPF cohort) | |
| Grade A - Direct relative suffers or died at IPF / NSIP | 9.5 |
| Grade B - Direct relative suffers or died from IIP | 4.4 |
| Grade C - Direct relative suffers / died from non-classified lung disease | 4.8 |
| Age at diagnosis | |
| mean value ± SD (years) | 65.2 ± 11.6 |
| Age at enrollment into the registry | |
| mean value ± SD (years) | 68.1 ± 11.1 |
| Time between onset of symptoms and inclusion into eurIPFreg | |
| median; q1-q3 (months) | 36.5; 19.2–70.3 |
| mean value ± SD (months) | 59 ± 3.85 |
| Time between onset of symptoms and diagnosis | |
| median; q1-q3 (months) | 6; 1–25.5 |
| mean value ± SD (months) | 21.8 ± 3.49 |
| Smokers/ Ex-Smokers/ Never-Smokers (%) | 4.0/65.4/30.6 |
