Table 2.

Incidence rate of dementia between sleep apnea and control groups

	Total		Women		Men
	Sleep apnea	Control	Sleep apnea	Control	Sleep apnea	Control
DAT cases (n, %)	1,078 (3.58%)	3,360 (2.82%)	471 (4.16%)	1,372 (3.05%)	607 (3.23%)	1,988 (2.68%)
DAT incidence (per 100,000 person-years)	1.2	0.9	1.4	1.0	1.1	0.9
VD cases (n, %)	244 (0.81%)	771 (0.65%)	88 (0.78%)	278 (0.62%)	156 (0.83%)	493 (0.67%)
VD incidence (per 100,000 person-years)	0.3	0.2	0.3	0.2	0.3	0.2

Abbreviations: DAT, dementia of the Alzheimer type; VD, vascular dementia