Table 1. Bhalla score [10].
| Category | 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 vessel) Severe (lumen >3 times Diameter of vessel) | Severe (lumen >3 times diameter of vessel) |
| Peribronchial thickening | Absent | Mild (wall thickness equal to diameter of adjacent blood 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 BP segments) | Absent | 1–5 | 6–9 | >9 |
| Extent of mucous plugging (no. of BP segments) | Absent | 1–5 | 6–9 | >9 |
| Sacculations or abscesses (no. of BP segments) | Absent | 1–5 | 6–9 | >9 |
| Generations of bronchial divisions involved (bronchiectasis/plugging) | Absent | Up to 4th generation | Up to 5th generation | Up to 6th generation and distal |
| Number of bullae | Absent | Unilateral (not >4) | Bilateral (not >4) | >4 |
| Emphysema (number of BP segments) | Absent | 1–5 | >5 | … |
| Collapse/consolidation | Absent | Subsegmental | Segmental/lobar | … |
BP: bronchopulmonary