stroke was classified as cerebral infarction ( ci ; n = 1,357 , 46 % ) , transient ischemic attacks ( tias ; n = 913 , 31 % ) , subarachnoid hemorrhage ( sah ; n = 476 , 16 % ) and intracerebral hemorrhage ( ich ; n = 214 , 7 % ) .
C0038454
stroke
C0007787
tias