Examined parameters | N+/presence of parameter (%) | N+/absence of parameter (%) | RR (CI) |
---|---|---|---|
CI, confidence interval; RR, relative risk. | |||
Tumour size >15 mm | 82/199 (41.2%) | 87/278 (31.3%) | 1.5 (1.1 to 2.2) |
Vascular invasion | 133/297 (44.8%) | 36/180 (20%) | 3.2 (2.1 to 5) |
Grades 2–3 | 143/369 (38.8%) | 26/107 (24.3%) | 2.0 (1.2 to 3.2) |
Multicentricity | 16/25 (64%) | 153/452 (33.8%) | 3.4 (1.5 to 8.0) |
CD31>100 vessels/×20 field | 62/157 (39,5%) | 79/244 (32.4%) | 1.3 (0.9 to 2.0) |