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Table 1 Clinical and demographic characteristics of the patients and controls

From: A functional polymorphism in the SPINK5 gene is associated with asthma in a Chinese Han Population

Characteristic Patients Controls
No. of subjects 669 711
Age:mean (range) 41.27(14–73) 44.19(18–68)
Sex (male/Female) 317/352 349/362
FVC (%predicted) 66.9 ± 15.7 79.4 ± 18.4
FEV1(%predicted) 57.2 ± 16.6 83.8 ± 13.9
% changes of FEV1 by bronchodilator 26.8 ± 13.7 4.7 ± 3.6
  1. FVC: forced vital capacity; FEV1: forced expiratory volume in 1s.