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. 2014 Jan 10;7:25. doi: 10.1186/1756-0500-7-25

Table 4.

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

 
 
 
Forward method
Backward method
Case a1* a2* ( c 1, c 2 ) (1,0) (0,1) (0,0) ( c 1, c 2 ) (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