Table 1 Clinical factors of in the training and testing cohorts
Clinical factors | Training cohort (n = 142) | Testing cohort (n = 35) | ||||
|---|---|---|---|---|---|---|
Low-grade | High-grade | p value | Low-grade | High-grade | p value | |
Age (years), mean ± SD | 60.345 ± 12.786 | 61 ± 12.502 | 0.761 | 56.571 ± 11.175 | 59 ± 10.578 | 0.520 |
Gender, n (%) | 0.201 | 0.737 | ||||
Female | 24 (16.9%) | 26 (18.3%) | 5 (14.3%) | 9 (25.7%) | ||
Male | 34 (23.9%) | 58 (40.8%) | 9 (25.7%) | 12 (34.3%) | ||
TNM stage n (%) | < 0.001 | 0.016 | ||||
1–2 | 47 (33.1%) | 39 (27.5%) | 12 (34.3%) | 9 (25.7%) | ||
3–4 | 11 (7.7%) | 45 (31.7%) | 2 (5.7%) | 12 (34.3%) | ||