du Bois Score for Idiopathic Pulmonary Fibrosis (IPF) Mortality
du Bois IPF Mortality Score Calculator
Age
Respiratory Hospitalization in Past 24 Weeks
FVC % Predicted
24-Week Change in FVC
du Bois Score:
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Awaiting input
Select all criteria to compute the score.
Determines 1-year mortality in IPF patients using PFT and clinical indicators.
Why Use
Simple, internally validated tool for determining IPF prognosis and guiding clinical management using longitudinal data.
When to Use
1-year prognostication of IPF patients needing lung transplantation.
Formula
Addition of assigned points, as above.
Pearls / Pitfalls
The du Bois Score is more specific, but less sensitive, compared to the GAP Index for predicting mortality.
Advice
Higher scores correspond to a greater need for transplantation and other treatments.
More Information
Score interpretation: Total Risk Score Expected 1-year Probability of Death 0–4 <2% 8–14 2-5% 16–21 5–10% 22–29 10–20% 30–33 20–30% 34–37 30–40% 38–40 40–50% 41–43 50–60% 44–45 60–70% 47–49 70–80% >50 >80%