Table 3 Additional clinical characteristics of asthma clusters
Parameter | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | Cluster 6 | Cluster 7 | n |
|---|---|---|---|---|---|---|---|---|
Age of onset (years) | 20.7 ± 16.3 | 19.5 ± 15.4 | 19.0 ± 17.9 | 26.5 ± 20.5 | 24.1 ± 17.1 | 28.9 ± 14.8 | 34.3 ± 16.2 | 195 |
Gender (male) | 36.4% | 52.5% | 60.1% | 35.7% | 37.8% | 51.7% | 21.4% | 195 |
Age | 41.6 ± 15.9 | 46.4 ± 15.9 | 56.6 ± 12.1 | 47.3 ± 14.6 | 49.5 ± 13.4 | 54.4 ± 12.4 | 58.9 ± 16.4 | 195 |
BMI | 25.0 ± 3.6 | 25.5 ± 3.1 | 26.0 ± 4.3 | 25.9 ± 4.2 | 25.3 ± 4.7 | 24.7 ± 3.8 | 24.7 ± 5.0 | 195 |
Tobacco exposure (py) | 4.2 ± 6.0 | 3.3 ± 7.7 | 6.0 ± 8.0 | 1.8 ± 4.1 | 4.2 ± 7.1 | 5.0 ± 8.6 | 2.0 ± 3.8 | 195 |
Smoker | 6.1% | 2.5% | 7.1% | 7.1% | 5.4% | 3.5% | 0% | 195 |
ATS | 9.1% | 12.5% | 35.7% | 0% | 75.7% | 6.9% | 78.6% | 195 |
Exhaled NO (ppb) | 36 ± 29 | 32 ± 18 | 34 ± 30 | 27 ± 27 | 43 ± 36 | 28 ± 18 | 41 ± 26 | 195 |
ECP | 27.0 ± 27.0 | 21.7 ± 13.8 | 26.2 ± 20.8 | 11.9 ± 7.2 | 22.3 ± 16.1 | 18.9 ± 15.6 | 31.1 ± 19.8 | 194 |
Eosinophils | 6.5 ± 4.5 | 5.6 ± 3.1 | 6.3 ± 3.6 | 4.8 ± 5.0 | 4.8 ± 3.1 | 4.8 ± 3.8 | 7.2 ± 4.2 | 195 |
IgE | 1383 ± 4731 | 524 ± 883 | 648 ± 1007 | 304 ± 340 | 392 ± 877 | 80 ± 103 | 140 ± 262 | 194 |
Theophyllin | 12.1% | 12.5% | 32.1% | 0% | 32.4% | 10.3% | 57.1% | 195 |