Restricted spline modelling suggested a visually U-shaped relationship between SBP during CTP and the probability of HIR of >0.318, with lowest risk observed near the cohort median (∼147 mm Hg) and higher estimated risk at both lower and higher SBP values; however, this non-linear association did not reach statistical significance (likelihood-ratio χ 2 = 3.66, df = 4, p = 0.45) (online suppl.
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Relative Hypotension is Not Associated with Rapid Progressor Phenotype in Anterior Circulation Large-Vessel Occlusion Acute Ischaemic Stroke: A Retrospective Cohort Study.
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