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Per-protocol set (PPS) analysis of the degree of recovery using National Institutes of Health Stroke Scale scores of acute cerebral infarction patients in the cattle encephalon glycoside and ignotin (CEGI) group and the placebo group on days 14 (A) and 90 (B) after treatment.
The rank-sum test was used for comparison. The PPS consisted of 218 and 73 cases in the CEGI and placebo groups, respectively.
