| 变量 | 总计 | 颈动脉硬化 | 非颈动脉硬化 | 结果 |
| 年龄(岁) | 69.97 ± 7.655 | 70.49 ± 7.160 | 69.27 ± 8.240 | t = 218.787, p = 0.000 < 0.05 |
| BMI (kg/m2) | 24.20 ± 2.769 | 24.43 ± 2.690 | 24.23 ± 3.081 | t = 0.002, p = 0.998 > 0.05 |