Estimate mortality in idiopathic pulmonary fibrosis
This equation is taken from Ley et al (2012). The GAP Index was derived and validated based on 558 patients with idiopathic pulmonary fibrosis (IPF) from three academic centers in the United States and Italy. The GAP Index was validated at both presentation and during follow-up and can therefore be used throughout the disease course. Additional scoring systems have been developed in IPF, but are not validated, include more complex variables, or lack stage-specific management recommendations.
Clinical implications for the GAP Index were suggested by the authors as follows:
Stage 1:
Stage 2:
Stage 3:
Ley B et al.
T E King, J A Tooze, M I Schwarz, K R Brown, R M Cherniack
Wells AU et al.
du Bois RM et al.
This equation is taken from Ley et al (2012). The GAP Index was derived and validated based on 558 patients with idiopathic pulmonary fibrosis (IPF) from three academic centers in the United States and Italy. The GAP Index was validated at both presentation and during follow-up and can therefore be used throughout the disease course. Additional scoring systems have been developed in IPF, but are not validated, include more complex variables, or lack stage-specific management recommendations.
Clinical implications for the GAP Index were suggested by the authors as follows:
Stage 1:
Stage 2:
Stage 3:
Ley B et al.
T E King, J A Tooze, M I Schwarz, K R Brown, R M Cherniack
Wells AU et al.
du Bois RM et al.
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