Table 2.

Characteristics of cases of atrial fibrillation and controls

Characteristics	Cases n = 726	Percent	Controls n = 7260	Percent	p value
Gender, female	609	83.88	6090	83.88	–
Agea	76.9 ± 7.64		76.9 ± 7.65		–
Age categories
55–65 years	59	8.10	602	8.30
66–75 years	219	30.20	2155	29.70
76–85 years	361	49.70	3637	50.10
>85 years	87	12.00	866	11.90
Cardiovascular diseases
Angina pectoris	203	27.96	1215	19.95	<0.001*
Myocardial infarction	20	2.75	92	1.51	0.001*
Heart failure	80	11.02	199	3.27	<0.001*
Antihypertensive drugs	627	86.36	5186	85.16	<0.001*
Diabetes mellitus	84	11.57	780	12.81	0.494
Estrogen/hormone replace therapy	35	4.82	334	5.48	0.787
Any type of fractures	78	10.74	669	10.99	0.177
Prior use of drugs
Use of lipid lowering	181	24.93	1497	20.62	0.007*
Oral corticosteroids	271	37.33	2184	30.08	<0.001*
Antithyroid	18	2.48	87	1.20	0.004*

*p < 0.05 (significant)

^aThe data is mean ± standard deviation