Characteristics | Entire group (n  =  530) | Training group (n  = 265) | Validation group (n  = 265) |
---|---|---|---|
Age, years | |||
 ≤ 65 | 348 | 174 | 174 |
 > 65 | 182 | 91 | 91 |
Gender | |||
 Female | 186 | 92 | 94 |
 Male | 344 | 173 | 171 |
Stage | |||
 Stage I | 265 | 141 | 124 |
 Stage II | 57 | 30 | 27 |
 Stage III | 123 | 58 | 65 |
 Stage IV | 82 | 35 | 47 |
 Unknown | 3 | 1 | 2 |
T | |||
 T1 | 271 | 144 | 127 |
 T2 | 69 | 35 | 34 |
 T3 | 179 | 82 | 97 |
 T4 | 11 | 4 | 7 |
N | |||
 N0 | 239 | 122 | 117 |
 N1 | 16 | 6 | 10 |
 Unknown | 275 | 137 | 138 |
M | |||
 M0 | 422 | 217 | 205 |
 M1 | 78 | 33 | 45 |
 Unknown | 30 | 15 | 15 |
Vital | |||
 Alive | 357 | 187 | 170 |
 Death | 173 | 78 | 95 |