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Table 2 Global subject characteristics

From: A study of nasal epithelial cell gene expression in a sample of mild to severe asthmatic children and healthy controls

Variables Control group
(N = 30)
Mild persistent
(N = 34)
Moderate persistent
(N = 26)
Severe persistent
(N = 10)
ANOVA P
Mean ± SD Mean ± SD Mean ± SD Mean ± SD
Age (years) 10.7 ± 3.3 10.4 ± 3.2 11 ± 3.2 9.8 ± 2.4 0.417 0.741
Sex       
Male N (%) 15 (50%) 20 (58.8%) 10 (38.5%) 6 (60%) χ2 = 2.8 0.419
Female N (%) 15 (50%) 14 (41.2%) 16 (61.5%) 4 (40%)   
Eosinophils cells × 109/L 213.5 ± 54.4 251.6 ± 87.0 412.4 ± 34.1 549.8 ± 44.2 96.6 < 0.001*
Serum IgE IU\mL 156.3 ± 34.6 482.8 ± 120.3 733.8 ± 147.8 1019.4 ± 137.0 119.4 < 0.001*
FEV1\ FVC 89.4 ± 1.44 87.5 ± 4.02 78.4 ± 2.89 65. 3 ± 7.75 184.4 < 0.001*
FEV1% 95.05 ± 2.09 84.4 ± 1.56 70.2 ± 4.14 52.0 ± 6.51 352.9 < 0.001*
FVC% 92.7 ± 2.51 88.0 ± 4.75 72.3 ± 5.00 55.5 ± 7.20 43.1 < 0.001*
  1. FVC: forced vital capacity, FEV1: forced expiratory volume in 1st second, IgE: Immunoglobulin E
  2. *P < 0.05 is significant