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Table 4 The proportion of outcomes from the two biomarker selection methods among 1000 replications

From: Biomarker selection for medical diagnosis using the partial area under the ROC curve

    Forward method Backward method
Case a 1 * a 2 * (c1,c2) (1,0) (0,1) (0,0) (c1,c2) (1,0) (1,0) (0,0)
1 0.000 0.000 0.001 0.036 0.051 0.912 0.000 0.019 0.024 0.957
2 0.000 1.000 0.002 0.040 0.416 0.542 0.001 0.042 0.228 0.729
3 0.000 1.000 0.005 0.012 0.799 0.184 0.003 0.031 0.597 0.369
4 0.000 1.000 0.015 0.000 0.984 0.001 0.007 0.006 0.986 0.001
5 -0.447 0.894 0.008 0.021 0.424 0.547 0.000 0.064 0.285 0.651
6 -0.447 0.894 0.011 0.007 0.788 0.194 0.002 0.066 0.663 0.269
7 -0.447 0.894 0.355 0.000 0.645 0.000 0.038 0.330 0.632 0.000
8 -0.669 0.743 0.030 0.000 0.394 0.576 0.006 0.242 0.647 0.105
9 -0.669 0.743 0.189 0.001 0.613 0.195 0.011 0.340 0.648 0.001
10 -0.669 0.743 0.884 0.000 0.115 0.001 0.026 0.891 0.083 0.000
11 -0.645 0.765 0.008 0.027 0.412 0.553 0.001 0.231 0.675 0.093
12 -0.606 0.795 0.077 0.008 0.713 0.202 0.009 0.167 0.819 0.005
13 -0.519 0.855 0.622 0.000 0.377 0.001 0.037 0.614 0.349 0.000
14 -0.692 0.722 0.062 0.013 0.380 0.545 0.006 0.300 0.694 0.000
15 -0.682 0.731 0.200 0.001 0.593 0.206 0.012 0.337 0.651 0.000
16 -0.657 0.754 0.898 0.000 0.102 0.000 0.027 0.876 0.097 0.000
17 0.563 0.826 0.013 0.030 0.430 0.527 0.001 0.074 0.430 0.495
18 0.467 0.884 0.015 0.019 0.769 0.197 0.006 0.057 0.736 0.201
19 0.239 0.971 0.027 0.000 0.973 0.000 0.015 0.020 0.964 0.001
20 0.604 0.797 0.011 0.023 0.417 0.549 0.004 0.149 0.639 0.208
21 0.529 0.848 0.034 0.006 0.775 0.185 0.012 0.086 0.825 0.077
22 0.324 0.946 0.073 0.000 0.926 0.001 0.025 0.059 0.915 0.001
23 0.707 0.707 0.011 0.304 0.367 0.318 0.005 0.234 0.239 0.522
24 0.707 0.707 0.165 0.391 0.408 0.036 0.113 0.402 0.388 0.097
25 0.707 0.707 0.965 0.014 0.021 0.000 0.964 0.017 0.019 0.000