Table 1.
The characteristics of samples in CGGA
| Variables | 1p19q codeletion | Value | P value | |
|---|---|---|---|---|
| Yes (191) | No (393) | |||
| Sex | 1.816 | 0.178 | ||
| Female | 88 | 158 | ||
| Male | 103 | 235 | ||
| Age (mean ± SD, years) | 40.7 ± 8.6 | 39.6 ± 10.8 | − 1.034 | 0.181 |
| OS (mean, years)a | 9.1 (174) | 5.6 (363) | 66.680 | < 0.001 |
| PR type | 2.926 | 0.087 | ||
| Primary | 137 | 254 | ||
| Recurrent | 54 | 139 | ||
| Histology type | 66.833 | < 0.001 | ||
| Astrocytoma | 7 | 89 | ||
| Oligodendroglioma | 95 | 81 | ||
| Mixed glioma | 89 | 223 | ||
| WHO grade | − 20.558 | < 0.001 | ||
| WHO II | 102 | 170 | ||
| WHO III | 89 | 223 | ||
| Radio status | 0.412 | 0.814 | ||
| Yes | 146 | 291 | ||
| No | 31 | 69 | ||
| Na | 14 | 33 | ||
| Chemo status | 1.961 | 0.375 | ||
| Yes | 97 | 223 | ||
| No | 69 | 128 | ||
| Na | 25 | 42 | ||
| IHD mutation status | 57.670 | < 0.001 | ||
| Yes | 166 | 246 | ||
| No | 7 | 124 | ||
| Na | 18 | 23 | ||
PR primary or recurrent, OS overall survival, radio radiotherapy, chemo chemotherapy, Na not available
a174 codeletion and 363 no codeletion samples were included using log-rank test according to the missing data