Fig. 2From: Validity of a stroke severity index for administrative claims data research: a retrospective cohort studyMortality and proportions of good functional outcomes stratified by stroke severity at 3Â months (a, b), 6Â months (c, d), and 1Â year (e, f) after stroke. Abbreviations: mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; SSI, stroke severity indexBack to article page