| 
 | 有CMB组 (n = 147) (%) | 无CMB组 (n = 206) (%) | P值 | 
| 年龄 | 68.26 ± 11.13 | 65.50 ± 11.60 | 0.026 | 
| 性别(男性) | 93 (63) | 149 (72) | 0.091 | 
| 甘油三酯 | 1.34 ± 0.87 | 1.50 ± 0.78 | 0.076 | 
| 总胆固醇 | 4.31 ± 1.34 | 4.39 ± 1.13 | 0.547 | 
| 低密度脂蛋白 | 2.57 ± 1.01 | 2.61 ± 0.85 | 0.663 | 
| 尿素氮 | 5.87 ± 2.94 | 5.56 ± 2.85 | 0.318 | 
| 肌酐 | 82.94 ± 25.48 | 85.53 ± 26.53 | 0.360 | 
| 空腹血糖 | 6.00 ± 1.96 | 6.48 ± 2.61 | 0.046 | 
| 同型半胱氨酸 | 13.10 ± 5.13 | 12.91 ± 4.42 | 0.709 | 
| 糖化血红蛋白 | 7.35 ± 2.03 | 7.42 ± 1.97 | 0.941 | 
| C反应蛋白 | 7.54 ± 18.65 | 7.72 ± 22.47 | 0.938 | 
| BMI | 24.5 ± 2.9 | 25.1 ± 3.9 | 0.281 | 
| 高血压病史 | 108 (73) | 119 (57) | 0.003 | 
| 糖尿病史 | 52 (35) | 79 (38) | 0.646 | 
| 冠心病史 | 34 (23) | 41 (19) | 0.549 | 
| 吸烟史 | 54 (37) | 88 (42) | 0.308 | 
| 饮酒史 | 36 (24) | 51 (25) | 1.000 | 
| 脑白质脱髓鞘 | 66 (45) | 101 (51) | 0.503 |