Table 2.
Independent Validation Sample |
Using 50% Geo Fixation Cutoff (ASD only as True Pos) |
Using 50% Geo Fixation Cutoff (ASD + ASD Features as True Pos) |
Using 69% Geo Fixation Cutoff (ASD only as True Pos) |
Using 69% Geo Fixation Cutoff (ASD + ASD Features as True Pos) |
---|---|---|---|---|
Validation Statistics | N | N | N | N |
True Positives (TP) | 43 | 49 | 24 | 25 |
True Negatives (TN) | 190 | 176 | 215 | 196 |
False Positives (FP) | 29 | 23 | 4 | 3 |
False Negatives (FN) | 72 | 86 | 91 | 110 |
Total Sample Size | 334 | 334 | 334 | 334 |
Sensitivity | 37% | 36% | 21% | 19% |
Specificity | 87% | 88% | 98% | 99% |
PPV | 60% | 68% | 86% | 89% |
NPV | 73% | 67% | 70% | 64% |
Combined Sample | ||||
Validation Statistics | N | N | N | N |
True Positives (TP) | 58 | 64 | 35 | 36 |
True Negatives (TN) | 260 | 246 | 288 | 269 |
False Positives (FP) | 32 | 26 | 4 | 3 |
False Negatives (FN) | 94 | 108 | 117 | 136 |
Total Sample Size | 444 | 444 | 444 | 444 |
Sensitivity | 38% | 37% | 23% | 21% |
Specificity | 89% | 90% | 99% | 99% |
PPV | 64% | 71% | 90% | 92% |
NPV | 73% | 70% | 71% | 66% |