TABLE 1.

CF Infant Clinical Score

	Component	Score
1	Nutrition: weight-for-length %	0 = <25%; 1 = 25–49%; 2 = ≥50%
2	Microbiology: PsA	0 = colonization; 1 = successful eradication; 2 = never
3	Cough	0 = daily; 1 = occasional (any cough in the last week, but less   than daily); 2 = none
4	Pulmonary exacerbations	0 = >3 in first year of life; 1 = 1–2 in the first year of life; 2 = none
5	Hospitalizations	0 = any hospitalization for pulmonary exacerbation in the first year of life; 2 = none

Five components measures at 12 months of life scored 0–2 points each, for a total maximum of 10 points (higher score indicates better health).