APOA1 and ischemic stroke: Through chi-square or Mann-Whitney U tests, the two groups showed differences in the following aspects: age (p = 0.001), smoking habit (p = 0.017), ApoA1 level (p = 0.048), history of ischemic stroke (p < 0.001), ASPECTS score (p < 0.001), NIHSS score (p < 0.001), mRS score (p < 0.001), complication and infarction subtypes (p = 0.007).