Table 4

Multivariate Cox proportional hazard model for the predictive value of stenosis and calcifications

 IAS (≥30%)IAC (per vessels)
HR95% CIHR95% CI
Poor outcome (ischaemic event or death)
 Crude estimate1.731.21 to 2.481.411.26 to 1.58
 Adjusted estimate*1.250.86 to 1.811.181.03 to 1.36
Ischaemic event alone:
 Crude estimate2.131.34 to 3.381.391.19 to 1.61
 Adjusted estimate†1.671.04 to 2.641.221.02 to 1.47
  • *Adjusted for age, NIHSS, mRS before stroke, hypertension, atrial fibrillation, extracranial carotid stenosis and atherosclerotic aorta lesions.

  • †Adjusted for age, hypertension, extracranial carotid stenosis and atherosclerotic aorta lesions.

  • IAC, intracranial arterial calcifications; IAS, intracranial arterial stenosis; mRS, modified Rankin Scale; NIHSS, National Institute of Health Stroke Scale.