Frequency (SD) and mean volumes (cm3, SD) of infarcts on MRI in patients without and with cognitive decline prestroke in the Helsinki Stroke Aging Memory Study (SAM) Cohort (n=337)
| Old infarcts | Silent infarcts | All | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No cognitive decline prestroke (n=306) | Cognitive decline prestroke (n=31) | No cognitive decline prestroke (n=306) | Cognitive decline prestroke (n=31) | No cognitive decline prestroke (n=306) | Cognitive decline prestroke (n=31) | ||||||
| Frequency of infarcts: | |||||||||||
| Right side | 0.2 (0.9) | 0.5 (1.0) | 0.8 (1.2) | 0.8 (1.0) | 1.5 (0.1) | 1.5 (0.3) | |||||
| p=0.0743 | p=0.8798 | p=0.6690 | |||||||||
| Left side | 0.3 (1.0) | 0.2 (0.6) | 0.7 (1.0) | 0.7 (0.9) | 1.4 (1.4) | 1.3 (1.9) | |||||
| p=0.6403 | p=0.8008 | p=0.2248 | |||||||||
| All | 0.6 (1.4) | 0.8 (1.1) | 1.5 (1.8) | 1.5 (1.5) | 3.0 (2.4) | 3.2 (2.0) | |||||
| p=0.4100 | p=0.9608 | p=0.5795 | |||||||||
| Volume of infarcts: | |||||||||||
| Right side | 20.4 (33.5) | 17.8 (37.7) | 2.8 (6.7) | 4.9 (8.4) | 22.8 (38.5) | 32.6 (51.3) | |||||
| p=0.8405 | p=0.2731 | p=0.2426 | |||||||||
| Left side | 10.6 (21.8) | 2.6 (2.3) | 3.5 (9.4) | 0.8 (1.5) | 11.4 (21.3) | 10.6 (26.4) | |||||
| p=0.4250 | p=0.2711 | p=0.8813 | |||||||||
| All | 17.2 (29.8) | 14.4 (32.7) | 4.5 (10.2) | 4.0 (7.3) | 26.5 (39.4) | 36.7 (50.7) | |||||
| p=0.7714 | p=0.8235 | p=0.2049 | |||||||||