| 变量名 | PSM前 | PSM后 | ||||
| 野生型组 (n = 94) | 突变型组 (n = 16) | P值 | 野生型组 (n = 33) | 突变型组 (n = 11) | P值 | |
| 年龄(岁) | 53.47 ± 13.50 | 58.81 ± 12.96 | 0.144 | 55.45 ± 12.56 | 55.45 ± 12.86 | 1.000 |
| 性别(%) |
|
|
|
|
|
|
| 男性 | 55 (58.5) | 7 (43.8) |
| 24 (72.7) | 6 (54.5) |
|
| 女性 | 39 (41.5) | 9 (56.3) | 0.271 | 9 (27.3) | 5 (45.5) | 0.287 |
| 原发肿瘤部位(%) |
|
|
|
|
|
|
| 右半结肠 | 31 (39.2) | 9 (81.8) |
| 25 (75.8) | 9 (81.8) |
|
| 左半结肠 | 48 (60.8) | 2 (18.2) | 0.01* | 8 (24.2) | 2 (18.2) | 1.000 |
| KRAS (%) |
|
|
|
|
|
|
| 野生型 | 45 (47.9) | 8 (50.0) |
| 13 (39.4) | 5 (45.5) |
|
| 突变型 | 49 (52.1) | 8 (50.0) | 0.875 | 20 (60.6) | 6 (54.5) | 0.738 |
| NRAS (%)a |
|
|
|
|
|
|
| 野生型 | 88 (93.6) | 16 (100) |
| 33 (100) | 11 (100) |
|
| 突变型 | 6 (6.4) | 0 (0.0) | 0.590 | 0 (0.0) | 0 (0.0) |
|
| BRAF (%) |
|
|
|
|
|
|
| 野生型 | 84 (89.4) | 13 (81.3) |
| 30 (90.9) | 9 (81.8) |
|
| 突变型 | 10 (10.6) | 3 (18.8) | 0.399 | 3 (9.1) | 2 (18.2) | 0.586 |