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Table 1 Demographic, clinical and functional data of the study subjects

From: Clinical characteristics and comorbidities of elderly asthmatics who attend allergy clinics

  All subjects LOA EOA p
Subjects, % 100 (n = 152) 10.5 (n = 16) 89.4 (n = 136)  
Female, % 73% 74% 68% ns
Age, yrs 66 (SD 6.5) 76 (SD 7) 65 (SD 5) <  0.0001
Former Smokers 11% 6,2% 14,2% ns
Age of onset, yrs 33.4 (SD 22.9) 69.2 (SD 6.8) 29 (SD 12.4) <  0.0001
Asthma duration, yrs 34.2 (SD 21.9) 7.3 (SD 4) 37.4 (SD 21) < 0.0001
Asthma severity     ns
 severe persistent,% 7.2 13 7 ns
 moderate persistent,% 74.3 75 74 ns
 mild persistent,% 15.7 12 16 ns
 Intermittent,% 2.6 0 3 ns
FEV11, % 73 (SD 21) 71 (SD 20) 73 (SD 21) ns
FVC/FEV12, % 69 (SD 12) 68 (SD 11) 70 (SD 12) ns
 Subjects with normal FEV1, % 39 50 37 ns
 Subjects with reversibility, % 59 62 58 ns
 Subjects with high IgE, % 54 72 51 ns
 IgE (UI/ml) 181 (SD 68) 183 (SD 70) 177 (SD 75) ns
 Eosinophilic subjects, % 52 50 54 ns
 Eosinophil count, % 6,1 6,3 4,3 ns
  1. Data are expressed as mean ± SD if not otherwise stated