Table 5 The related pAUCs based on multivariate t distribution with degree of freedom 3
From: Biomarker selection for medical diagnosis using the partial area under the ROC curve
Population (X) | pAUC | |||||||
|---|---|---|---|---|---|---|---|---|
Mean difference | Correlation | Forward selection | Backward selection | |||||
∆1 | ∆2 | ρ 0 | ρ 1 | pAUC(a * ) | Ave | SE | Ave | SE |
0.0 | 0.3 | 0.5 | 0.5 | 0.0070 | 0.0159 | 0.0057 | 0.0143 | 0.0062 |
0.0 | 0.5 | 0.5 | 0.5 | 0.0088 | 0.0165 | 0.0058 | 0.0140 | 0.0063 |
0.0 | 1.0 | 0.5 | 0.5 | 0.0160 | 0.0205 | 0.0074 | 0.0166 | 0.0083 |
0.0 | 0.3 | 0.5 | 0.0 | 0.0116 | 0.0175 | 0.0069 | 0.0108 | 0.0066 |
0.0 | 0.5 | 0.5 | 0.0 | 0.0136 | 0.0187 | 0.0079 | 0.0121 | 0.0075 |
0.0 | 1.0 | 0.5 | 0.0 | 0.0206 | 0.0224 | 0.0089 | 0.0147 | 0.0093 |
0.0 | 0.3 | 0.0 | 0.5 | 0.0088 | 0.0166 | 0.0058 | 0.0137 | 0.0062 |
0.0 | 0.5 | 0.0 | 0.5 | 0.0101 | 0.0168 | 0.0060 | 0.0143 | 0.0066 |
0.0 | 1.0 | 0.0 | 0.5 | 0.0150 | 0.0197 | 0.0067 | 0.0178 | 0.0073 |
0.3 | 0.3 | 0.0 | 0.0 | 0.0076 | 0.0158 | 0.0051 | 0.0149 | 0.0055 |
0.5 | 0.5 | 0.0 | 0.0 | 0.0101 | 0.0169 | 0.0059 | 0.0158 | 0.0063 |
1.0 | 1.0 | 0.0 | 0.0 | 0.0206 | 0.0241 | 0.0086 | 0.0225 | 0.0094 |