Table 3 Differences in cumulative survival rates among the 31 N(−) CRC patients according to the current survival status and the cutoff number of TDLNs (NDLNs) of 15
From: A reappraisal of lymph node dissection in colorectal cancer during primary surgical resection
Part I | Current survival status | ||
Dead (n = 3) | Alive (n = 28) | p value | |
No. of TDLNs (=NDLNs) (mean ± SD) | 13.0 ± 12.3 | 20.7 ± 11.5 | 0.181* |
Follow-up periods (mean ± SD)(month) | 57.1 ± 59.7 | 89.8 ± 33.9 | 0.316* |
Cumulative survival rate (%) | |||
1 year | 67.7% | 100.0% | |
2 years | 67.7% | 100.0% | |
5 years | 33.3% | 100.0% | |
10 years | 33.3% | 100.0% | |
12 years | 0.0% | 100.0% | |
Part II | TDLNs (=NDLNs) | ||
≤ 15 (n = 14) | > 15 (n = 17) | p value | |
No. of deaths (n = 3) | 2 | 1 | 0.431** |
Follow-up periods (mean ± SD) (month) | 87.5 ± 41.4 | 86.0 ± 43.2 | 0.912* |
Survivals (mean, 95%CI) (month) | 117.0 (99.3–134.7) | 131.6 (120.4–142.8) | 0.529*** |
Cumulative survival rate (%) | |||
1 year | 92.3% | 100.0% | |
2 years | 92.3% | 93.8% | |
5 years | 92.3% | 93.8% | |
10 years | 92.3% | 93.8% | |
12 years | 61.5% | 93.8% | |