Research Article
The De Ritis and Neutrophil-to-Lymphocyte Ratios May Aid in the Risk Assessment of Patients with Metastatic Renal Cell Carcinoma
Table 5
Comparison of new risk models for overall survival using the Heng and MSKCC risk models with 2000 bootstraps.
| Model | Harrell’s C index | mean(difference), 95% CI (2.5%, 97.5% of difference) |
| Model A | 0.708 | Model B vs A: 0.02 (-0.011, 0.058) | Model B | 0.727 |
| Heng risk model | 0.661 | Heng vs Model A: -0.035 (-0.088, 0.008) Heng vs Model B: -0.055 (-0.112, -0.004) | mMSKCC risk model | 0.612 | mMSKCC vs Model A: -0.097 (-0.153, -0.043) mMSKCC vs Model B: -0.117 (-0.174, -0.066) |
| Model C = Heng risk model + AST | 0.676 | Heng vs (Heng + SGOT): -0.011 (-0.031, 0.004) | Model D = Heng risk model + Alkaline phosphatase + DRR | 0.697 | Heng vs (Heng + De Ritis ratio): -0.035 (-0.083, 0) | (Heng + SGOT) vs (Heng + De Ritis ratio): -0.024 (-0.07, 0.011) |
| Model E = mMSKCC risk model + Neutrophil + AST | 0.658 | mMSKCC vs Model E: -0.049 (-0.098, -0.013) | Model F = mMSKCC risk model + NLR + Alkaline phosphatase +DRR | 0.691 | mMSKCC vs Model F: -0.084 (-0.149, -0.034) Model E vs Model F: -0.034 (-0.092, 0.014) |
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MSKCC, Memorial Sloan Kettering Cancer Center; AST, aspartate transaminase; NLR, neutrophil-to-lymphocyte ratio; CI, confidence interval. Model A = Nephrectomy, Liver mets, Hb, Neutrophil, Alkaline phosphatase. Model B = Nephrectomy, Hb, NLR, Alkaline phosphatase, DRR.
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