du Bois Score for Idiopathic Pulmonary Fibrosis (IPF) MortalityLoading...Age< 60 years060-69 years+4≥ 70 years+8Respiratory hospitalization in past 6 monthsNo0Yes+14Predicted baseline FVC≥ 80%066-79%+851-65%+13≤ 50%+1824-week change in predicted FVC≥ -4.9%0-5% to -9%+10≤ -10%+21사용 적응증통찰 및 주의사항