Pulmonology · Emergency Medicine

DECAF Score calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Extended MRC dyspnea grade

Eosinophils <0.05 ×10⁹/L (+1)Consolidation on chest radiograph (+1)Acidemia, arterial pH <7.30 (+1)Atrial fibrillation (+1)

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Steer J et al. The DECAF Score: predicting hospital mortality in exacerbations of chronic obstructive pulmonary disease. Thorax (2012)