| 指标 | 对照组 | 观察组 | t/ c2 | P |
| 性别(男/女) | 30/19 | 11/9 | 0.228 | 0.633 |
| 年龄 | 63.3 ± 8.47 | 65.29 ± 10.75 | −0.737 | 0.464 |
| 吸烟(有/无) | 20/29 | 10/10 | 0.487 | 0.485 |
| 饮酒(有/无) | 31/18 | 8/12 | 3.128 | 0.077 |
| 高血压(有/无) | 36/13 | 13/7 | 0.495 | 0.482 |
| 糖尿病(有/无) | 31/18 | 14/6 | 0.284 | 0.594 |
| 高血脂(有/无) | 38/11 | 13/7 | 1.16 | 0.281 |