Characteristics | Hazard ratio | 95% CI | P value |
---|---|---|---|
Age (years) | 1.078 | 1.058–1.098 | < 0.001 |
Gender | |||
Female [ref] | |||
Male | 1.677 | 1.150–2.444 | 0.007 |
Race | |||
Others [ref] | 0.357 | ||
White | 1.212 | 0.653–2.247 | 0.543 |
Black | 1.978 | 1.015–3.856 | 0.045 |
Marital status | |||
Married [ref] | |||
Unmarried | 1.589 | 1.091–2.315 | 0.016 |
Grade | |||
Well differentiated [ref] | |||
Moderately differentiated | 1.027 | 0.649–1.624 | 0.910 |
Poorly differentiated | 1.864 | 1.031–3.370 | 0.039 |
Undifferentiated | 2.974 | 1.724–5.131 | < 0.001 |
Surgical treatment | |||
No surgery [ref] | |||
Underwent surgery | 0.467 | 0.186–1.173 | 0.105 |
Tumor size | |||
≤ 2 cm [ref] | |||
2.1–5.0 cm | 0.658 | 0.372–1.163 | 0.150 |
5.1–10 cm | 0.879 | 0.483–1.599 | 0.673 |
> 10 cm | 0.945 | 0.485–1.842 | 0.867 |
Mitotic index (/50 HPF) | |||
≤ 5 [ref] | |||
6–10 | 1.762 | 1.000–3.103 | 0.050 |
> 10 | 1.047 | 0.591–1.842 | 0.875 |