Polymorphisms but Not Mutations of the KCNQ1 Gene Are Associated with Lone Atrial Fibrillation in the Chinese Han Population
Table 1
Clinical characteristics of the study population.
Case ()
Control ()
Agea (years, mean ± SD)
0.211
Gender (female, (%))
68 (35.8%)
71 (37.4)
0.831
Diabetesb ( (%))
8 (4.2%)
10 (5.3%)
0.810
Smoking habit ( (%))
60 (31.6%)
54 (28.4%)
0.576
Drinking habit ( (%))
55 (33.7%)
43 (22.6%)
0.197
Family history
3 (1.6%)
NA
NA
Left atrial dimension (mm)
<0.01
Left ventricle ejection fraction (%)
0.215
LVEDD (mm)
0.542
LVESD (mm)
0.253
NA: data not available.
aAge was defined as the age at the sample collection.
bDiabetes was defined as ongoing therapy of diabetes or a fasting plasma glucose level of ≥7.0 mmol.