Appendix Table 2A.
Threshold | Sensitivity, % | Specificity, % | Positive likelihood ratio | Negative likelihood ratio | Positive predictive value, % | Negative predictive value, % |
---|---|---|---|---|---|---|
5 | 100 | 0 | 1.00 | – | 40 | – |
15 | 100 | 1 | 1.01 | 0.00 | 41 | 100 |
20 | 100 | 4 | 1.04 | 0.00 | 41 | 100 |
25 | 100 | 10 | 1.12 | 0.00 | 43 | 100 |
30 | 99 | 15 | 1.16 | 0.09 | 44 | 94 |
35 | 97 | 22 | 1.24 | 0.13 | 46 | 92 |
40 | 93 | 35 | 1.44 | 0.20 | 49 | 88 |
45 | 79 | 63 | 2.12 | 0.34 | 59 | 81 |
50 | 65 | 71 | 2.27 | 0.49 | 61 | 75 |
55 | 44 | 87 | 3.27 | 0.65 | 69 | 69 |
60 | 24 | 94 | 4.19 | 0.81 | 74 | 65 |
65 | 17 | 97 | 5.92 | 0.86 | 80 | 63 |
70 | 11 | 100 | – | 0.89 | 100 | 63 |
75 | 7 | 100 | – | 0.93 | 100 | 61 |
SO | 3 | 100 | – | 0.97 | 100 | 60 |
85 | 1 | 100 | – | 0.99 | 100 | 60 |