Table 3.
Predictive performance of different LN schemes.
| OS | DSS | |||
|---|---|---|---|---|
| Model | AIC | C-index (95% CI) | AIC | C-index (95% CI) |
| Categorical | ||||
| Model 2 (NRLN) | 14,528.27 | 0.723 (0.707–0.739) | 12,935.51 | 0.725 (0.709–0.741) |
| Model 3 (NPLN) | 14,536.77 | 0.724 (0.709–0.740) | 12,940.20 | 0.728 (0.712–0.743) |
| Model 4 (NNLN) | 14,488.16 | 0.729 (0.714–0.745) | 12,898.99 | 0.731 (0.715–0.746) |
| Model 5 (LNR) | 14,453.81 | 0.735 (0.719–0.751) | 12,863.51 | 0.737 (0.722–0.753) |
| Model 6 (LODDS) | 14,453.98 | 0.734 (0.718–0.750) | 12,864.37 | 0.737 (0.721–0.753) |
| Continuous | ||||
| Model 2 (NRLN) | 14,537.68 | 0.722 (0.706–0.737) | 12,941.22 | 0.724 (0.708–0.739) |
| Model 3 (NPLN) | 14,548.50 | 0.733 (0.718–0.749) | 12,951.54 | 0.726 (0.710–0.742) |
| Model 4 (NNLN) | 14,508.62 | 0.726 (0.710–0.741) | 12,914.70 | 0.728 (0.712–0.743) |
| Model 5 (LNR) | 14,456.17 | 0.735 (0.719–0.750) | 12,866.34 | 0.738 (0.722–0.754) |
| Model 6 (LODDS) | 14,457.38 | 0.736 (0.720–0.751) | 12,869.48 | 0.739 (0.723–0.754) |
OS, overall survival; DSS, disease-specific survival; NRLN, number of retrieved lymph nodes; NPLN, number of positive lymph nodes; NNLN, number of negative lymph nodes; LNR, lymph node ratio; LODDS, log odds of positive lymph nodes; CI, confidence interval; AIC, Akaike information criterion.