TABLE 4

Quality of life and longitudinal outcomes in the four clusters

Cluster 1:
Pseudomonas
Cluster 2:
“Other chronic infection”
Cluster 3:
“Daily sputum”
Cluster 4:
“Dry bronchiectasis”
Overall p-value
Patients179 (100)273 (100)373 (100)307 (100)
Quality of life
 SGRQ58 (34–72)43 (27–61)39 (27–55)29 (12–40)<0.001
Outcomes
 Exacerbations during 1-year follow-up2 (1–3)2 (1–2)1 (0–2)1 (0–2)0.0001
 At least one hospitalisation during   1-year follow-up67 (42)41 (16)56 (16)42 (14)<0.0001
 Mortality during 1-year follow-up9 (5.1)4 (1.5)13 (3.6)14 (4.9)0.12
 Mortality during 3-year follow-up26 (17)19 (7.6)24 (8.2)23 (11)0.02
  • Data are presented as n (%) or median (interquartile range), unless otherwise stated. SGRQ: St George's Respiratory Questionnaire.