| 指标 | Total (n = 254) | 训练集(n = 177) | 验证集(n = 77) | t, χ2 | p |
| 年龄(岁) | 49.99 ± 13.08 | 50.59 ± 12.88 | 48.62 ± 13.51 | t = 1.101 | 0.272 |
| 性别，n (%) |
|
|
| χ2 = 0.492 | 0.483 |
| 女性 | 104 (40.94) | 75 (42.37) | 29 (37.66) |
|
|
| 男性 | 150 (59.06) | 102 (57.63) | 48 (62.34) |
|
|
| WHO分级，n (%) |
|
|
| χ2 = 4.042 | 0.133 |
| 2级 | 80 (31.5) | 49 (27.68) | 31 (40.26) |
|
|
| 3级 | 68 (26.77) | 51 (28.81) | 17 (22.08) |
|
|
| 4级 | 106 (41.73) | 77 (43.50) | 29 (37.66) |
|
|
| IDH1，n (%) |
|
|
| χ2 = 3.360 | 0.067 |
| 阴性 | 144 (56.69) | 107 (60.45) | 37 (48.05) |
|
|
| 阳性 | 110 (43.31) | 70 (39.55) | 40 (51.95) |
|
|