From: A competing risk analysis of colorectal cancer recurrence after curative surgery
Variable | Category | Cumulative incidence (months) | |||
---|---|---|---|---|---|
12 | 24 | 36 | 48 | ||
All patients | 0.09 | 0.18 | 0.25 | 0.30 | |
Age | < 60 | 0.11 | 0.23 | 0.31 | 0.37 |
60–74 | 0.08 | 0.16 | 0.24 | 0.31 | |
≥ 75 | 0.08 | 0.16 | 0.24 | 0.24 | |
Sex | Male | 0.03 | 0.15 | 0.23 | 0.27 |
Female | 0.16 | 0.21 | 0.29 | 0.33 | |
Tumour location | Colon | 0.15 | 0.17 | 0.23 | 0.23 |
Sigmoid/rectosigmoid | 0.09 | 0.29 | 0.32 | 0.39 | |
Rectum | 0.02 | 0.10 | 0.24 | 0.31 | |
Tumor type | Adenocarcinoma | 0.06 | 0.16 | 0.23 | 0.28 |
Mucinous adenocarcinoma | 0.32 | 0.32 | 0.48 | 0.48 | |
Histological grade | Low/well differentiated | 0.04 | 0.16 | 0.22 | 0.28 |
Moderate | 0.11 | 0.20 | 0.26 | 0.30 | |
High/poorly differentiated | 0.07 | 0.07 | 0.29 | 0.29 | |
T stage (depth) | T1/ T2 | 0.00 | 0.07 | 0.10 | 0.14 |
T3 | 0.07 | 0.16 | 0.28 | 0.33 | |
T4 | 0.52 | 0.71 | 0.71 | 0.71 | |
N stage (nodes) | N0 | 0.03 | 0.10 | 0.13 | 0.15 |
N1 | 0.06 | 0.16 | 0.27 | 0.27 | |
N2 | 0.35 | 0.52 | 0.73 | 0.90 | |
Vascular invasion | Absent | 0.04 | 0.13 | 0.16 | 0.16 |
Present/suspicious | 0.22 | 0.28 | 0.51 | 0.64 | |
Perineural invasion | Absent | 0.07 | 0.14 | 0.22 | 0.25 |
Present | 0.13 | 0.28 | 0.37 | 0.44 | |
Positive margins | Uninvolved | 0.06 | 0.15 | 0.22 | 0.26 |
One positive margin | 0.36 | 0.43 | 0.58 | 0.69 | |
Nodes examined | < 12 | 0.08 | 0.17 | 0.20 | 0.24 |
≥ 12 | 0.09 | 0.18 | 0.27 | 0.31 | |
Post-operative adjuvant therapy | None | 0.08 | 0.14 | 0.14 | 0.16 |
Chemotherapy or radiation | 0.09 | 0.25 | 0.49 | 0.60 |