Table 3.
Sensitivities and specificities of the swine flu classifier combinations
| |
|
Sensitivity |
Specificity |
||||
|---|---|---|---|---|---|---|---|
| 2K-bit code | Combination | Mean | Median | SD | Mean | Median | SD |
| 1 |
All results are negative |
0.000 |
0.000 |
0.000 |
1.000 |
1.000 |
0.000 |
| 2 |
C1∧C2 |
0.626 |
0.633 |
0.162 |
0.991 |
0.994 |
0.010 |
| 3 |
¬C1∧C2 |
0.116 |
0.101 |
0.088 |
0.938 |
0.947 |
0.047 |
| 4 |
C2 |
0.742 |
0.760 |
0.152 |
0.928 |
0.939 |
0.054 |
| 5 |
C1∧¬C2 |
0.214 |
0.201 |
0.127 |
0.879 |
0.885 |
0.072 |
| 6† |
C1 |
0.840 |
0.859 |
0.119 |
0.870 |
0.875 |
0.078 |
| 7 |
(¬C1∧C2)∨(C1∧¬C2) |
0.330 |
0.340 |
0.124 |
0.817 |
0.821 |
0.079 |
| 8‡ |
C1∨C2 |
0.957 |
0.974 |
0.050 |
0.808 |
0.813 |
0.087 |
| 9 |
¬(C1∨C2) |
0.043 |
0.026 |
0.050 |
0.192 |
0.187 |
0.087 |
| 10 |
(C1∧C2)∨¬(C1∨C2) |
0.670 |
0.660 |
0.124 |
0.183 |
0.179 |
0.079 |
| 11 |
¬C1 |
0.160 |
0.141 |
0.119 |
0.130 |
0.125 |
0.078 |
| 12 |
¬C1∨C2 |
0.786 |
0.799 |
0.127 |
0.121 |
0.115 |
0.072 |
| 13 |
¬C2 |
0.258 |
0.240 |
0.152 |
0.072 |
0.061 |
0.054 |
| 14 |
C1∨¬C2 |
0.884 |
0.899 |
0.088 |
0.062 |
0.053 |
0.047 |
| 15 |
¬(C1∧C2) |
0.374 |
0.367 |
0.162 |
0.009 |
0.006 |
0.010 |
| 16 | All results are positive | 1.000 | 1.000 | 0.000 | 0.000 | 0.000 | 0.000 |
SD: Standard Deviation.
‡Optimal combination using ranking criteria 1, 2 and 3.
†Optimal combination using ranking criterion 4.