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The 24-hour NIHSS is highly correlated with 3-month clinical disability scores in IMS3. a Negative correlation between the 24-hour NIHSS and 3-month BI. Pearson R2 is shown. Dotted lines represent 95% confidence limits. b Positive correlation between the 24-hour NIHSS and 3-month mRS. Box plots are shown. Pearson correlation coefficient = 0.73, p < 0.001.
