Table 4.
Probability cutoff | Standard logistic regression | Robust logistic regression | ||||||
---|---|---|---|---|---|---|---|---|
Concordance N (%) |
Sensitivity | Specificity | Clinical net benefit | Concordance N (%) |
Sensitivity | Specificity | Clinical net benefit | |
0.0 | 43 (33.1) | 1.00 | 0.00 | 0.33 | 43 (33.1) | 1.00 | 0.00 | 0.33 |
0.1 | 79 (60.8) | 0.95 | 0.44 | 0.27 | 82 (63.1) | 0.88 | 0.51 | 0.26 |
0.2 | 90 (69.2) | 0.86 | 0.61 | 0.22 | 97 (74.6) | 0.86 | 0.69 | 0.23 |
0.3 | 98 (75.4) | 0.81 | 0.72 | 0.19 | 99 (76.2) | 0.81 | 0.74 | 0.19 |
0.4 | 98 (75.4) | 0.70 | 0.78 | 0.13 | 102 (78.5) | 0.72 | 0.82 | 0.16 |
0.5 | 101 (77.7) | 0.60 | 0.86 | 0.11 | 107 (82.3) | 0.67 | 0.90 | 0.15 |
0.6 | 97 (74.6) | 0.40 | 0.92 | 0.05 | 102 (78.5) | 0.51 | 0.92 | 0.09 |
0.7 | 99 (76.2) | 0.35 | 0.97 | 0.06 | 100 (76.9) | 0.42 | 0.94 | 0.05 |
0.8 | 93 (71.5) | 0.19 | 0.98 | 0.00 | 97 (74.6) | 0.30 | 0.97 | 0.01 |
0.9 | 91 (70.0) | 0.12 | 0.99 | −0.03 | 93 (71.5) | 0.19 | 0.98 | −0.08 |
1.0 | 87 (66.9) | 0.00 | 1.00 | - | 87 (66.9) | 0.00 | 1.00 | - |
AUC | 0.835 | 0.830 |
These characteristics rely on the age-genotype models for standard and robust logistic regression estimated based on leave-one-out cross-validation.