Table 7 Distribution of comorbidities cluster by COPD severity
From: Comorbidities and COPD severity in a clinic-based cohort
Clusters | GOLD 2011 | ||||
|---|---|---|---|---|---|
A N = 435 | B N = 391 | C N = 178 | D N = 580 | p value | |
Cluster 1 Cardiac (22.7%) | 107(24.6) | 102(26) | 33(18.5) | 118(20) | < 0.0001 |
Cluster 2 less comorbidity (27%) | 137(31.5) | 96(24.5) | 57(32) | 140(24.1) | < 0.0001 |
Cluster 3 metabolic, apneic and anxiety-depression (14.7%) | 56(12.8) | 39(9.9) | 41(23) | 97(16) | < 0.0001 |
Cluster 4 Cachectic and osteoporosis (20.6%) | 70(16) | 101(25.8) | 22(12.3) | 134(23) | < 0.0001 |
Cluster 5 bronchiectasis (14.7%) | 65(14.9) | 53(13.5) | 25(14) | 91(15.6) | < 0.0001 |