Table 1

Clinical and demographic characteristics of the patients and controls

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


FVC: forced vital capacity; FEV1: forced expiratory volume in 1s.

Liu et al. BMC Medical Genetics 2009 10:59   doi:10.1186/1471-2350-10-59

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