Table 3. Comparison of AUC for Assessing Sensitivity, Specificity, Positive Predictive Value (PPV), Negative Predictive Value (NPV), and Discriminatory Power of MDCT to Detect Metastatic Disease at Different Time Points.
| Time Point (d) | Sensitivity (%) | Specifcity (%) | PPV (%) | NPV (%) | AUC |
|---|---|---|---|---|---|
|
| |||||
| ≤ 5 (n = 34) | 50.0 | 100 | 100 | 90.3 | 0.75 |
| > 5 (n = 258) | 26.9 | 100 | 100 | 84.0 | 0.63 |
| ≤ 10 (n = 86) | 46.7 | 100 | 100 | 89.9 | 0.73 |
| > 10 (n = 206) | 26.3 | 100 | 100 | 82.5 | 0.62 |
| ≤ 15 (n = 128) | 42.3 | 100 | 100 | 87.1 | 0.71 |
| > 15 (n = 206) | 18.7 | 100 | 100 | 82.9 | 0.59 |
| ≤ 20 (n = 169) | 40.6 | 100 | 100 | 87.6 | 0.70 |
| > 20 (n = 123) | 15.4 | 100 | 100 | 80.9 | 0.58 |
| ≤ 25 (n = 203) | 40.0 | 100 | 100 | 88.6 | 0.70 |
| > 25 (n = 89) | 13.0 | 100 | 100 | 76.2 | 0.56 |
| ≤ 30 (n = 225) | 36.8 | 100 | 100 | 88.3 | 0.68 |
| > 30 (n = 67) | 15.0 | 100 | 100 | 72.6 | 0.57 |