Clinical characteristics | Training set (N = 204) | Validation set (N = 205) |
---|---|---|
Age (years, mean ± SD) | 68.46 ± 27.57 | 67.69 ± 9.86 |
Gender (male/female) | 154/50 | 148/57 |
Pathologic M (M0/M1/–) | 99/7/98 | 96/4/105 |
Pathologic N (N0/N1/N2/N3/–) | 122/23/36/2/21 | 115/23/40/6/21 |
Pathologic T (T1/T2/T3/T4/–) | 3/65/95/27/14 | 1/55/99/31/19 |
Pathologic stage (I/II/III/IV/–) | 2/71/65/65/1 | 0/60/74/70 |
Pathologic grade (high/low/–) | 194/9/1 | 191/12/2 |
Radiotherapy (yes/no/–) | 6/186/12 | 14/177/14 |
Lymphovascular invasion (yes/no/–) | 65/73/66 | 85/59/61 |
Recurrence (yes/no) | 44/126/34 | 43/124/38 |
Dead (death/alive/–) | 92/110/2 | 86/117/2 |
Overall survival time (months, mean ± SD) | 26.76 ± 27.57 | 27.45 ± 28.19 |