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. 2009 Sep;30(8):1574–1579. doi: 10.3174/ajnr.A1635

Table 3:

Sensitivity, specificity, PPV, and NPV of ITSS degree for differentiating GBMs from other SELs according to threshold values

ITSS Degree Sensitivity Specificity PPV NPV
≥2 100.0% 69.2% 67.6% 100.0%
3 84.0% 84.6% 77.8% 89.2%