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. 2015 May;36(5):987–992. doi: 10.3174/ajnr.A4213

Table 4:

Performance of the 4D-CT MGD score for predicting MGD, based on the size of largest lesion and the number of lesions prospectively identified

MGD Score No. of Patients Sensitivity Specificity Positive Predictive Value
0 36 100% 0% 23%
≥1 35 97% 31% 30%
≥2 32 89% 68% 46%
≥3 23 64% 81% 50%
4 14 39% 96% 74%