Radiologic progression with minimal functional decline in cystic fibrosis: Insights from a prospective study

Table 1 Bhalla scoring

Category	Score
	0	1	2	3
Severity of bronchiectasis	Absent	Mild (luminal diameter slightly greater than diameter of adjacent blood vessel)	Moderate (lumen 2-3 times the diameter of the vessel)	Severe (lumen > 3 times diameter of vessel)
Peribronchial thickening	Absent	Mild (wall thickness equal to diameter of adjacent vessel)	Moderate (wall thickness greater than and up to twice the diameter of adjacent vessel)	Severe (wall thickness > 2 times the diameter of adjacent vessel)
Extent of bronchiectasis (No. of lung segments)	Absent	1-5	6-9	> 9
Extent of mucus plugging (No. of lung segments)	Absent	1-5	6-9	> 9
Sacculations or abscesses (No. of lung segments)	Absent	1-5	6-9	> 9
Generations of bronchial divisions involved (bronchiectasis or plugging)	Absent	Up to 4th generation	Up to 5th generation	Up to the 6th generation and distal
No. of bullae	Absent	Unilateral (not > 4)	Bilateral (not > 4)	> 4
Emphysema (No. of lung segments)	Absent	1-5	> 5
Collapse or consolidation	Absent	Subsegmental	Segmental or lobar