Table 6: MRI findings among young and old patients with cerebral infarction.

Young patientsOld patientsP

MRI89 (89)848 (76.0).003
DWI positive84 (93.3)815 (96.7).13

Anterior circulation68 (68)812 (72.7).35
Posterior circulation30 (30)297 (26.6).48
Middle cerebral artery66 (66)790 (70.7).36
Anterior cerebral artery3 (3)37 (3.3)1.00
Occipital8 (8)102 (9.1).86
Thalamus3 (3)79 (7.1).15
Mesencephalon3 (3)20 (1.8).43
Pons2 (2)64 (5.7).16
Medulla oblongata5 (5)24 (2.2).08
Cerebellum11 (11)87 (7.8).25
More than one artery domain6 (6)57 (5.1).54
 Anterior and posterior circulation2 (2)35 (3.1).83
 Bilateral middle cerebral arteries4 (4)22 (2).19

Leukoaraiosis (MRI)7 (7.8)424 (50.4)<.001
Old infarctions (MRI)*10 (10)238 (21.3).006
Embolic infarction (MRI)66 (79)594 (73).30
Lacunar infarction (MRI)18 (21)223 (27).25

Data are expressed as mean or n (%).
MRI, magnetic resonance imaging; DWI, diffusion-weighted imaging.
*Including both silent and symptomatic infarctions.