Table 1 Patients clinical characteristics (n=196)
Characteristic | Training set (n=176) | Validation set (n=20) | Whole set (n=196) | P-value |
|---|---|---|---|---|
Age (year, mean ± std) | 52.43 ± 12.82 | 48.70 ± 14.05 | 51.99 ± 12.98 | 0.224 |
Gender | 0.809 | |||
Male | 83 (47.16%) | 10 (50.00%) | 93 (47.45%) | |
Female | 93 (52.84%) | 10 (50.00%) | 103 (52.55%) | |
Knosp grade | 0.608 | |||
Grades 0–2 | 81 (46.02%) | 8 (40.00%) | 89 (45.41%) | |
Grades 3–4 | 95 (53.98%) | 12 (60.00%) | 107 (54.59%) | |
Hormone hypersecreting tumors | 0.707 | |||
Yes | 87 (49.43%) | 9 (45.00%) | 96 (48.98%) | |
No | 89 (50.57%) | 11 (55.00%) | 100 (51.02%) | |
Infiltration | 0.419 | |||
High invasion | 95 (53.98%) | 12 (60%) | 107 (60.79%) | |
Not high invasion | 81 (46.02%) | 8 (40%) | 99 (39.21%) | |
Ki67 proliferation index | 0.103 | |||
< 3% | 120 (68.18%) | 10 (50.00%) | 130 (66.33%) | |
≥ 3% | 56 (31.82%) | 10 (50.005) | 66 (33.67%) |