Table 4 Relapse-free survival of the patients according to Renji nomogram and AJCC staging system
Staging system | n (%) | Relapse-free survival (%) | |||||
|---|---|---|---|---|---|---|---|
CB | Events | 1-year | 3-year | 5-year | C-index | ||
Renji nomogram | 0.71 | ||||||
Grade 1 | 10 (9.4) | 9 | 1 | 90.0 | 87.5 | 75.0 | |
Grade 2 | 27 (25.5) | 14 | 13 | 66.7 | 40.0 | 27.8 | |
Grade 3 | 21 (19.8) | 5 | 16 | 33.3 | 15.8 | 5.9 | |
Grade 4 | 48 (45.3) | 3 | 45 | 16.7 | 2.2 | 0 | |
AJCC | 0.66 | ||||||
Grade 1 | 33 (31.1) | 20 | 13 | 72.7 | 55.6 | 40.9 | |
Grade 2 | 15 (14.2) | 5 | 10 | 46.7 | 16.7 | 0 | |
Grade 3 | 10 (9.4) | 2 | 8 | 20.0 | 11.1 | 11.1 | |
Grade 4 | 48 (45.3) | 4 | 44 | 18.8 | 2.2 | 0 | |