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Table 3: Performance of 17 multivariate prediction rules^a
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).