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    The content on this page is not current guidance and is only for the purposes of the consultation process.

    Outcome measures

    The main outcomes included perioperative and long-term incidence of stroke, death and myocardial infarction, and the incidence of restenosis.

    Modified Rankin Scale

    The mRS is the most widely used outcome measure in stroke clinical trials. It is an ordinal scale that ranges from 0 (no symptoms at all) to 6 (death). A good outcome following stroke is commonly defined as a score of 0 to 2 and a poor outcome is a score of 3 to 6.