Baseline characteristics include : mean age 70 ( standard deviation 12 ) years ; male 57 % ; mean time from stroke to recruitment 26 ( 13 ) h ; mean severity ( Scandinavian Stroke Scale ) 34 ( 13 ) of 58 ; mean blood pressure 167 ( 19 ) / 90 ( 13 ) mmHg ; ischaemic stroke 83 % ; and intracerebral haemorrhage 16 % .