Table 6 Performance of risk score of Model II based on the development dataset from the 2010, 2011–2012, and 2012–2013 prevention of mother-to-child transmission surveys, South Africa. (n = 4222, AUROC = 0.71)
Cut point | Sensitivity | Specificity | Non-cumulative proportion of women at each cut point (%) |
|---|---|---|---|
(> = 0) | 100.00% | 0.00% | 0.02 |
(> = 7) | 100.00% | 0.03% | 0.69 |
(> = 8) | 99.21% | 0.71% | 0.21 |
(> = 11) | 99.21% | 0.93% | 0.21 |
(> = 12) | 99.21% | 1.16% | 0.09 |
(> = 14) | 99.21% | 1.26% | 2.91 |
(> = 15) | 98.82% | 4.33% | 3.86 |
(> = 16) | 98.03% | 8.39% | 0.4 |
(> = 18) | 98.03% | 8.82% | 1.42 |
(> = 19) | 96.85% | 10.26% | 1.23 |
(> = 20) | 96.06% | 11.52% | 0.07 |
(> = 21) | 96.06% | 11.59% | 2.3 |
(> = 22) | 96.06% | 14.04% | 16.84 |
(> = 23) | 90.16% | 31.58% | 3.77 |
(> = 24) | 89.76% | 35.56% | 0.02 |
(> = 25) | 89.76% | 35.58% | 1.47 |
(> = 26) | 88.19% | 37.05% | 6.8 |
(> = 27) | 84.25% | 44.03% | 1.33 |
(> = 29) | 83.46% | 45.39% | 10.61 |
(> = 30) | 76.38% | 56.22% | 14.09 |
(> = 31) | 60.24% | 70.16% | 0.43 |
(> = 33) | 59.84% | 70.59% | 7.32 |
(> = 34) | 49.21% | 77.70% | 5.85 |
(> = 35) | 40.94% | 83.39% | 0.09 |
(> = 37) | 40.94% | 83.49% | 8 |
(> = 38) | 25.59% | 91.03% | 1.28 |
(> = 41) | 22.83% | 92.21% | 7.15 |
(> = 42) | 5.91% | 98.74% | 0.26 |
(> = 45) | 5.12% | 98.97% | 0.76 |
(> = 49) | 2.36% | 99.60% | 0.52 |
(> 49) | 0.00% | 100.00% |