Table 1 Clinical assessment and neuroimaging at baseline and follow-up

Clinical assessment

Demographics, risk factors, medication, medical history, NIHSS

Neuro-imaging

Unenhanced CT and CT angiography*

Follow-up

Clinical assessment at 24 hours

NIHSS. Adverse events.

Neuro-imaging at 24 hours

CT angiography*

Neuro-imaging at 5-7 days

Unenhanced CT or MRI

Clinical assessment at 1 week or discharge

NIHSS; Barthel index

Clinical assessment at 90 days

Modified Rankin score, Barthel index, EQ5D