| 对照组(n = 267) | 试验组(n = 307) | c2/Z | P |
年龄 | 61.81 ± 9.33 | 62.27 ± 9.36 | −0.820 | 0.412 |
性别 |
|
|
|
|
男性 | 142 (53.2) | 154 (50.2) | 0.522 | 0.470 |
女性 | 125 (46.8) | 153 (49.8) |
|
|