Table 1PICO characteristics of review question

PopulationPeople aged over 16 with suspected or confirmed TIA
Interventions

Magnetic resonance diffusion weighted imaging (MR DWI)

MR DWI and computed tomography (CT)

CT

ComparisonsAny combination of the above
Outcomes

Critical

Stroke

Mortality

Important

Modified Rankin scale (mRS)

Quality of life

Change in diagnosis or clinical management

Study design

Randomised controlled trials (diagnostic test and treat studies)

Systematic reviews and meta-analyses of the above

Prospective observational studies with a test and treat design if no RCTs are identified

From: Evidence review for TIA imaging

Cover of Evidence review for TIA imaging
Evidence review for TIA imaging: Stroke and transient ischaemic attack in over 16s: diagnosis and initial management: Evidence review C.
NICE Guideline, No. 128.
National Guideline Centre (UK).
Copyright © NICE 2019.

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