Table 1.
Clinical characteristics of the two cohorts of ovarian cancer patients from TCGA datasets
| Parameters | Discovery cohort (n = 234) |
Validation cohort (n = 233) |
p-value | Method |
|---|---|---|---|---|
| Age (Mean ± SD) | 59.6 ± 11.5 | 60.2 ± 11.7 | 0.57 | t-test |
| Clinical stage | ||||
| I/II | 14 | 16 | 0.82 | χ2 test |
| III/IV | 219 | 214 | ||
| Null | 1 | 3 | ||
| Histologic grade | ||||
| G1 | 1 | 0 | 0.63 | Fisher’s exact test |
| G2 | 29 | 32 | ||
| G3 | 201 | 190 | ||
| Null | 3 | 11 | ||
| Lymphatic invasion | ||||
| No | 28 | 32 | 0.67 | χ2 test |
| Yes | 54 | 51 | ||
| Null | 152 | 150 | ||
| Living status | ||||
| Living | 87 | 88 | 0.97 | χ2 test |
| Dead | 147 | 145 | ||
| Tumor residual disease | ||||
| 1-10 mm | 96 | 112 | 0.51 | χ2 test |
| 11-20 mm | 14 | 15 | ||
| > 20 mm | 43 | 37 | ||
| Null | 81 | 69 | ||