| 变量 | 赋值 |
| 性别 | 0 = 男 1 = 女 |
| 吸烟 | 0 = 否 1 = 是 |
| 锻炼 | 0 = 否 1 = 是 |
| 饮酒 | 0 = 否 1 = 是 |
| 心脏杂音 | 0 = 否 1 = 是 |
| 颈动脉杂音 | 0 = 无 1 = 有 |
| 心脏杂音 | 0 = 无 1 = 有 |
| 脉率不齐 | 0 = 无 1 = 有 |
| 心率不齐 | 0 = 无 1 = 有 |
| 脑卒中 | 0 = 否 1 = 是 |
| 血同型半胱氨酸 | 0 = 正常 1 = 偏高 |
| 血糖 | 0 = 正常 1 = 偏高 |