Cluster 4 Multiple, mainly grass pollens, HDM, PR-10 and nsLTP n = 4 Cluster 5 Multiple, mainly airborne including grass pollens and HDM n = 6 Cluster 6 Multiple, mainly grass pollens, HDM and PR-10 N = 24 Cluster 7 Few, mainly HDM n = 94
p-value
Severe asthma 4 (100%) 2 (33%) 6 (25%) 32 (34%) 0.036
Z-score FEV1
n’=4 -0.89 [-1.92, 0.078] n’=6 0.6 [0.35, 0.92] n’=23 0.08 [-0.87, 0.93] n’=89 -0.34 [-1.16, 0.42]
0.27
Z-score FEV1/FCV -1.69 [-2.1, -1.4] -0.92 [-1.33, -0.25] -0.44 [-1.37, 0.11] -0.67 [-1.48, 0.18] 0.25