Table 4.
Infarcts vs. no infarcts | |||
---|---|---|---|
Infarct region/infarct groups: | Incident dementia (n=358) | Without dementia (n=2254) | Risk-ratio (95%CI) |
Cortical | |||
No prevalent & no incident | 267 | 1928 | Reference |
One or more prevalent & no incident | 39 | 175 | 1.3 (1.0–1.7) |
No prevalent & one or more incident | 32 | 97 | 1.7 (1.3–2.2) |
One or more prevalent & one or more incident | 20 | 54 | 1.5 (1.00–2.2) |
Cerebellar | |||
No prevalent & no incident | 234 | 1643 | Reference |
One or more prevalent & no incident | 50 | 345 | 0.9 (0.7–1.2) |
No prevalent & one or more incident | 39 | 155 | 1.2 (0.9–1.6) |
One or more prevalent & one or more incident | 35 | 111 | 1.5 (1.1–2.1) |
Subcortical | |||
No prevalent & no incident | 290 | 2050 | Reference |
One or more prevalent & no incident | 27 | 129 | 1.2 (0.8–1.6) |
No prevalent & one or more incident | 32 | 48 | 2.6 (1.9–3.4) |
One or more prevalent & one or more incident | 9 | 27 | 1.9 (1.1–3.3) |
Values show number of subjects with infarcts in the various regions versus those with no infarcts in corresponding regions in the groups of subjects with and without incident dementia together with the risk-ratios of incident dementia by infarct group. Risk-ratios are with 95% confidence intervals (95%CI) adjusted for baseline age, sex, time interval between MRI scans.