Table 1. Number of AF cases, median follow-up period and crude incidence in 1,424 participants: the Suita study.

	Men	Women
Number of participants	590	834
Number of cases of incident AF	22	9
Median follow-up and range, years	6.0 (1.72–10.43)	6.0 (1.74–10.43)
Total follow-up, person-years	3,508	4,610
Crude incidence, /1,000 person-years	6.3	2.0

AF, atrial fibrillation.