Parameter | Reference | Observations n | HR (95% CI) | p-value |
FVC % at inclusion | <70% | 131 | 1.90 (0.96–3.77) | 0.065 |
Decline in FVC of ≥10% at baseline | Yes | 131 | 2.43 (1.06–5.61) | 0.04 |
Diagnosis | Unclassifiable ILD or IIP or HP versus autoimmune ILD | 131 | 3.45 (1.59–7.50) | 0.002 |
Categorised age | ≥50 years | 131 | 5.03 (1.53–16.54) | 0.008 |
HR: hazard ratio; FVC: forced vital capacity; ILD: interstitial lung disease; IIP: idiopathic interstitial pneumonia; HP: hypersensitivity pneumonitis.