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. 2023 May 16;30:100651. doi: 10.1016/j.lanepe.2023.100651

Table 3.

Cumulative incidence and incidence rates stratified per 5-year age category at first-ever stroke.

Cumulative incidences and incidence rates (per 1000 person-years) of first recurrent stroke, stratified across 5 year age categories at first-ever stroke
Age at first-ever stroke, years N n recurrences Cumulative incidence
Incidence rate
1-year 10-year Total follow-up time, years Rate per 1000 person-yearsa
<55 9 1 0.0% 11.1% 70.9 14.1
55–60 22 6 0.0% 18.2% 176.3 34.0
60–65 67 21 9.0% 26.9% 577.0 36.4
65–70 139 32 6.5% 16.5% 1052.6 30.4
70–75 224 62 6.7% 25.0% 1302.3 47.6
75–80 326 85 9.2% 25.5% 1400.1 60.7
80–85 364 64 7.4% 17.0% 1160.7 55.1
85–90 299 39 5.7% 12.7% 520.1 75.0
>90 251 21 4.8% 8.4% 325.4 64.5

N, participants at risk for recurrent stroke; n, count of participants with recurrent stroke.

a

Incidence rate derived by dividing count of recurrences by total follow-up time and multiplying by 1000 person-years.