Performance of 17 multivariate prediction rulesa
| Predict Grade III If and Only If | Specificity | Sensitivity | Negative Predictive Value | Positive Predictive Value | Accuracy | Specificity + Sensitivity |
|---|---|---|---|---|---|---|
| A | 89.1% | 62.1% | 78.9% | 78.3% | 78.7% | 151.2% |
| E | 80.4% | 72.4% | 82.2% | 70.0% | 77.3% | 152.9% |
| C | 75.0% | 52.4% | 64.3% | 64.7% | 64.4% | 127.4% |
| A + E | 95.7% | 41.4% | 72.1% | 85.7% | 74.7% | 137.0% |
| A + C | 91.7% | 38.1% | 62.9% | 80.0% | 66.7% | 129.8% |
| E + C | 87.5% | 52.4% | 67.7% | 78.6% | 71.1% | 139.9% |
| A or E | 73.9% | 93.1% | 94.4% | 69.2% | 81.3% | 167.0% |
| A or C | 75.0% | 81.0% | 81.8% | 73.9% | 77.8% | 156.0% |
| E or C | 66.7% | 76.2% | 76.2% | 66.7% | 71.1% | 142.9% |
| A + E + C | 95.8% | 38.1% | 63.9% | 88.9% | 68.9% | 133.9% |
| A or E or C | 66.7% | 95.2% | 94.1% | 71.4% | 80.0% | 161.9% |
| A or (E + C) | 83.3% | 81.0% | 83.3% | 81.0% | 82.2% | 164.3% |
| E or (A + C) | 75.0% | 76.2% | 78.3% | 72.7% | 75.6% | 151.2% |
| C or (A + E) | 75.0% | 61.9% | 69.2% | 68.4% | 68.9% | 136.9% |
| A + (E or C) | 91.7% | 47.6% | 66.7% | 83.3% | 71.1% | 139.3% |
| E + (A or C) | 87.5% | 61.9% | 72.4% | 81.3% | 75.6% | 149.4% |
| C + (A or E) | 83.3% | 52.4% | 66.7% | 73.3% | 68.9% | 135.7% |
↵a Based on the dichotomizations of ADC (A), enhancement (E), and calcification (C).