Table 4

HRCT appearances in 108 patients separated by degree of impairment of FEV1

Impairment of FEV1
None (n=32)Mild (n=19)Moderate (n=36)Severe (n=21)
Normal159105
Emphysema
 Limited4-150 117166
 Extensive4-150 1175
Bronchiectasis
 Tubular4-150 9472
 Cystic/varicose2016
Emphysema and bronchiectasis6253
  • 4-150 Lung function not available for one patient.