Stroke in the Very Old: A Systematic Review of Studies on Incidence, Outcome, and Resource Use

Table 1

Studies on incidence of stroke in the elderly.

Study	Rate ∗ 1000	95% CI	M/F	% very old
Age over 80 years
LASR	21.54	20.39–22.69	1.04	30.23
Dijon	10.68	7.71–13.65	0.99	23.90
Overall	20.78	19.69–21.87	1.03	29.95
Heterogeneity 𝜒^2=24.23; 𝑃<0.0001
Age 80–84 years
LASR	17.41	16.11–18.71	1.09	15.46
Dijon	8.87	5.26–12.48	1.32	11.22
ILSA	14.38	9.62–19.15	1.13	14.11
Overall	17.23	15.97–18.49	1.15	15.21
Heterogeneity 𝜒^2=11.42; 𝑃<0.0001
Age over 85 years
LASR	30.00	27.71–32.28	1.21	14.77
Basle	10.34	7.76–12.92	1.22	22.68
Rochester	23.51	19.28–27.74	0.61	23.39
Auckland 1991	19.13	15.91–22.35	0.62	17.34
Dijon	13.03	8.05–18.00	0.74	12.68
Innherred	30.39	30.28–30.51	1.16	21.06
London	18.93	13.63–24.23	1.01	21.33
Perth	23.89	17.87–29.92	1.39	15.95
Belluno	33.48	26.17–40.78	0.68	16.46
Oxfordshire	19.87	15.78–23.95	0.90	13.19
Aosta	32.37	22.37–42.36	1.81	15.35
Frederiksberg	15.99	11.41–20.58	1.36	17.56
Umbria	21.80	15.82–27.77	0.75	17.30
ESPro	21.17	16.19–26.15	1.20	19.21
Arcadia	26.61	22.06–31.16	1.51	23.06
Overall	20.78	16.74–23.78	1.07	16.78
Heterogeneity 𝜒^2=24.2; 𝑃<0.0001