Chart 2. E-FACED score: acronym for Exacerbation, FEV₁, Age, Chronic colonization with Pseudomonas aeruginosa, Extent (of CT findings), and Dyspnea.

Variables	Result	Score
Exacerbation	No	Zero
	Yes	2
FEV1 ,% predicted	≥ 50%	Zero
	< 50%	2
Age	< 70 years	Zero
	≥ 70 years	2
Chronic colonization with P. aeruginosa	No	Zero
	Yes	1
Extent of CT findings: number of affected lobes	1-2 lobes	Zero
	> 2 lobes	1
Dyspnea, mMRC scale	0-II	Zero
	III-IV	1
		TOTAL: 0-9 points
Severity: 0-3 points: mild; 4-6 points: moderate; and 7-9 points: severe.

mMRC: modified Medical Research Council.