| Coronary artery heart disease | 38 | 73.74±10.03 | | 69 | 74.88±8.40 | 0.530 |
| Hypertension | 18 | 71.78±9.92 | | 25 | 75.16±7.40 | 0.207 |
| Hyperlipidemia | 2 | 68.00±2.83 | | 10 | 69.60±4.65 | 0.656 |
| Diabetes mellitus type 2 | 2 | 64.00±4.24 | | 8 | 74.38±20.90 | 0.522 |
| Lacunar cerebral infarction | 3 | 76.00±4.36 | | 4 | 71.25±7.23 | 0.365 |
| Carotid plaque | 5 | 70.40±4.98 | | 1 | 53.00±0.00 | 0.033 |
| Hyperviscoemia | 2 | 66.50±2.12 | | 2 | 68.5±4.95 | 0.652 |
| Cerebral arterial insufficient | 0 | - | | 3 | 73.67±5.03 | - |
| Hypercholesterolemia | 1 | 69.00±0.00 | | 1 | 72.00±0.00 | - |
| Cerebral infarction | 8 | 75.38±8.19 | | 18 | 77.17±7.96 | 0.604 |
| After percutaneous coronary intervention | 1 | 78.00±0.00 | | 0 | - | - |
| Acute gastroenteritis | 0 | - | | 1 | 75.00±0.00 | - |
| Sequelae of cerebral infarction | 2 | 68.50±0.71 | | 4 | 79.75±9.95 | 0.206 |
| Upper respiratory tract infection | 1 | 70.00±0.00 | | 0 | - | - |
| Total | 83 | 72.63±8.95 | | 146 | 74.58±9.12 | 0.119 |
