Table 6– Final score, cut-off points of the dichotomised variables and scoring of each variable
Points
Chronic colonisation by Pseudomonas aeruginosa
 No0
 Yes1
Dyspnoea mMRC score
 0–II0
 III–IV1
FEV1 % predicted
 ≥50%0
 <50%2
Age
 <70 years0
 ≥70 years2
Number of lobes
 1–20
 >21
  • Maximum score 7 points. mMRC: modified Medical Research Council; FEV1: forced expiratory volume in 1 s.