TABLE 3.

Prevalence of some main risk factors in 25 people with atrial fibrillation (AF) in northeast China.

	Urban		Rural		Men		Women		Total		P for region	P for sex
	N	Rate	N	Rate	N	Rate	N	Rate	N	Rate
Hypertension	9	75.0	12	92.3	13	86.7	8	80.0	21	84.0	0.238	0.656
Diabetes	3	25.0	7	53.8	6	40.0	4	40.0	10	40.0	0.141	1.000
Dyslipidaemia	7	58.3	6	46.2	7	46.7	6	60.0	13	52.0	0.543	0.513
Current smoking	3	25.0	2	15.4	4	26.7	1	10.0	5	20.0	0.548	0.307
Alcohol drinking	3	25.0	4	30.8	6	40.0	1	10.0	7	28.0	0.748	0.102
Lack of exercise	2	16.7	5	38.5	4	26.7	3	30.0	7	28.0	0.225	0.856
Overweight or obesity	10	83.3	8	61.5	11	73.3	7	70.0	18	72.0	0.225	0.856