| 7 wk | 8.5 wk | 10 wk | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Diabetic by 20 wk |  | Diabetic by 20 wk |  | Diabetic by 20 wk |  | |||
 | (+) | (-) | Total | (+) | (-) | Total | (+) | (-) | Total |
IAA > Threshold (+) | 17 | 5 | 22 | 20 | 3 | 23 | 18 | 2 | 20 |
IAA < Threshold (-) | 8 | 24 | 32 | 5 | 26 | 31 | 7 | 25 | 32 |
Total | 25 | 29 | 54 | 25 | 29 | 54 | 25 | 27 | 52 |
Sensitivity | Â | Â | 0.68 | Â | Â | 0.80 | Â | Â | 0.72 |
Specificity | Â | Â | 0.83 | Â | Â | 0.90 | Â | Â | 0.93 |
Positive Predictive Value | Â | Â | 0.77 | Â | Â | 0.87 | Â | Â | 0.90 |
Negative Predictive Value | Â | Â | 0.75 | Â | Â | 0.84 | Â | Â | 0.78 |