Table 4 Diagnostic accuracy according to the examinations
| Methods | Ip | Ip+AO | Ip+AO+Iq |
Ip+AO+Iq+P (Four Examinations) | ||||
|---|---|---|---|---|---|---|---|---|
| Criterion | N% | N%-52.0% | N% | N%-51.5% | N% | N%-33.5% | N% | N%-28.5% |
| N simulated | 13800 | 13800 | 13800 | 13800 | 13800 | 13800 | 13800 | 13800 |
| N missing* | 200 | 200 | 200 | 200 | 0 | 0 | 0 | 0 |
| N valid | 13600 | 13600 | 13600 | 13600 | 13800 | 13800 | 13800 | 13800 |
| TP | 3033 | 3349 | 3502 | 4021 | 5791 | 6085 | 5951 | 6199 |
| FP | 46 | 40 | 37 | 44 | 25 | 33 | 18 | 35 |
| FN | 3767 | 3451 | 3298 | 2779 | 1109 | 815 | 949 | 701 |
| TN | 6754 | 6760 | 6763 | 6756 | 6875 | 6867 | 6882 | 6865 |
| Accuracy |
72.0% (71.2;72.7) |
74.3% (73.6;75.1) |
75.5% (74.8;76.2) |
79.2% (78.6;79.9) |
91.8% (91.3;92.3) |
93.9% (93.5;94.3) |
93.0% (92.6;93.4) |
94.7% (94.3;95.1) |
| Sensitivity |
44.6% (43.4;45.8) |
49.2% (48.1;50.4) |
51.5% (50.3;52.7) |
59.1% (58.0;60.3) |
83.9% (83.1;84.8) |
88.2% (87.4;88.9) |
86.2% (85.4;87;1) |
89.8% (89.1;90.6) |
| Specificity |
99.3% (99.1;99.5) |
99.4% (99.2;99.6) |
99.5% (99.3;99.6) |
99.4% (99.2;99.5) |
99.6% (99.5;99.8) |
99.5% (99.4;99.7) |
99.7% (99.6;99.9) |
99.5% (99.3;99.7) |
| Predictive value (-) |
64.2% (63.3;65.1) |
66.2% (65.3;67.1) |
67.2% (66.3;68.2) |
70.9% (70.0;71.8) |
86.1% (85.4;86.9) |
89.4% (88.7;90.1) |
87.9% (87.2;88.6) |
90.7% (90.1;91.4) |
| Predictive value (+) |
98.5% (98.1;99.0) |
98.8% (98.4;99.2) |
99.0% (98.7;99.3) |
98,9% (98.6;99.3) |
99.6% (99.4;99.8) |
99.5% (99.3;99.7) |
99.7% (99.6;99.9) |
99.4% (99.3;99.7) |