变量 | 病例组 (n = 230) | 对照组 (n = 460) | ||||
例数 | (%) | 例数. | (%) | P值 | ||
性别 |
|
|
| 0.855 | ||
男性 | 170 | 73.9 | 337 | 73.3 |
| |
女性 | 60 | 26.1 | 123 | 26.7 |
| |
年龄 |
| .275 | ||||
<50 | 43 | 18.7 | 85 | 18.5 |
| |
50~59 | 66 | 28.7 | 164 | 35.7 |
| |
60~69 | 82 | 35.7 | 138 | 30.0 |
| |
≥70 | 39 | 16.9 | 73 | 15.8 |
| |
吸烟状况 |
|
|
|
| <.001 | |
非吸烟者 | 153 | 66.5 | 239 | 52.0 |
| |
吸烟者 | 77 | 33.5 | 221 | 48.0 |
| |
吸烟指数b |
|
|
|
| .795 | |
<25 | 40 | 51.9 | 111 | 50.2 |
| |
≥25 | 37 | 48.1 | 110 | 49.8 |
| |