Table 1

Patient characteristics that are expected to predict outcome (prognostic), or that are expected to interact with treatment (predictive)

Per cent of data complete in MR CLEANPrognosticPredictive
Age6 15100%x
Baseline NIHSS16 17100%x
History of diabetes mellitus18100%x
History of previous stroke19100%x
History of atrial fibrillation20100%x
Prestroke mRS score19100%x
Systolic blood pressure21100%x
IV treatment with alteplase22–24100%x
Time from onset stroke to groin puncture25 26100%*xx
ASPECTS6 2799.2%x
Location of intracranial occlusion on non-invasive vessel imaging28 2999.8%x
Collateral score on CTA29 3098.4%xx
  • *Of patients undergoing intra-arterial treatment.

  • ASPECTS, Alberta Stroke Program Early CT score; CTA, CT angiography; IV, intravenous; NIHSS, National Institutes of Health Stroke Scale; MR CLEAN, Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands; mRS, modified Rankin Scale.