Clinical Study

Prevalence, Comorbid Associations and Prognostic Value of the Hyperdense Middle Cerebral Artery Sign

Table 1

Mean age of patients and controls and time to CT scan.

Mean age (years*)Time to scan (hours*)

All patients (strokes and TIAs) 11772 ± 2.64.6 ± 0.7
Strokes10072 ± 2.64.6 ± 0.8
 Middle cerebral artery infarcts6172 ± 0.94.7 ± 1.0
  HMCAS +ve1577 ± 6.34.7 ± 1.1
  HMCAS −ve4671 ± 4.14.7 ± 1.1
 Other strokes3972 ± 4.24.9 ± 1.7
  HMCAS +ve0
  HMCAS −ve3972 ± 4.24.9 ± 1.7
TIAs1773 ± 7.04.3 ± 1.8
Controls 6569 ± 3.1

No statistically significant difference in means between all groups.