Table 3

Follow-up data

Overall per centAnnual per centMean f/u (years)No of studies
Follow-up (424 patients)7.19
 Hemorrhage8.41.17.38
 First hemorrhage among index unruptured cases8.21.17.38
 Stroke, overall27.53.67.66
 Recurrent stroke in patients initially presenting with stroke46.25.97.85
 Lesion growth on serial imaging45.85.48.52
  • No of studies reflects the number of publications supplying data for each parameter.

  • f/u, follow-up.