Research Article

Association Study of Myosin Heavy Chain 15 Polymorphisms with Asthma Susceptibility in Chinese Han

Table 1

Characteristics of cases and controls.

CharacteristicCases (N=410)Controls (N=418)P value

Age (years)44.02 ± 13.7744.09 ± 13.750.944
Male n (%)159 (38.78)162 (38.76)0.994
BMI (kg/m2)23.06 ± 3.1922.95 ± 3.340.634
Smoking history n (%)76/403(18.86)55/262(20.99)0.58
Age of asthma onset (years)33.69 ± 14.26--
FEV1% predicted81.36 ± 23.99--
FEV1/FVC %71.38 ± 14.85--
FVC % predicted95.63 ± 10.18--
Serum IgE (IU/ml)219.68 ± 412.59--

Values are means ± standard deviation (SD) and absolute numbers (valid percentages). FEV1: forced expiratory volume in one second. FVC: forced vital capacity. IgE: immunoglobulin E. BMI: body mass index.