We15 divided into 0-6h, 6-24h, 24-48h, 48-72h, the baseline date include sex, age, blood pressure, medical history scale, concomitant disease scale, Glasgow Coma Scale (GCS), National Institute of Health Stroke Scale (NIHSS).

• 分为0-6h,6-24h，24-48h，48-72h四个时间段，分别统计4个时间段ZFXN组和对照组的基线资料；