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Patients’ characteristics. Sub-tables indicate the number of patients in each category. Differences in the numbers are due to missing information for some patients.
| Gender | Grade of tumor | Stage of tumor | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Female | Male | G1 | G2 | G3 | G4 | T1 | T2 | T3 | T4 |
| 184 | 342 | 14 | 226 | 204 | 75 | 268 | 69 | 178 | 11 |
| Tumor status | Survival status | Laterality | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Tumor free | With tumor | Alive | Deceased | Left | Right | ||||
| 356 | 137 | 355 | 171 | 247 | 287 | ||||
