Variable | RS median (range) |
---|---|
 All patients, N = 222 | 16 (0–68) |
Tumor grade (BRE) | |
 G1, N = 28 | 14 (6–28) |
 G2, N = 146 | 15 (0–51) |
 G3, N = 48 | 24 (5–68) |
pN stage | |
 pN0, N = 136 | 17 (0–68) |
 pN1a, N = 86 | 14 (0–51) |
Peritumoral lympho-vascular invasion | |
 No, N = 172 | 16 (0–68) |
 Yes, N = 50 | 15 (2–44) |
Invasive tumor size | |
  ≤ 2 cm, N = 133 | 15 (0–43) |
  > 2 cm, N = 89 | 16 (0–68) |
Ki67 | |
  ≤ 30, N = 193 | 15 (0–51) |
  > 30, N = 29 | 24 (1–68) |