Association Study of Myosin Heavy Chain 15 Polymorphisms with Asthma Susceptibility in Chinese Han
Table 1
Characteristics of cases and controls.
Characteristic
Cases (N=410)
Controls (N=418)
P value
Age (years)
44.02 ± 13.77
44.09 ± 13.75
0.944
Male n (%)
159 (38.78)
162 (38.76)
0.994
BMI (kg/m2)
23.06 ± 3.19
22.95 ± 3.34
0.634
Smoking history n (%)
76/403(18.86)
55/262(20.99)
0.58
Age of asthma onset (years)
33.69 ± 14.26
-
-
FEV1% predicted
81.36 ± 23.99
-
-
FEV1/FVC %
71.38 ± 14.85
-
-
FVC % predicted
95.63 ± 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.