Table 2.

Optimal indices and cut-off to discriminate between low- and high-grade gliomas

Authors	Year	Patients (#)	Sensitivity (%)	Specificity (%)	Optimal ratio used
Patel et al.	2018	45	70	78	SUVmax T/N > 1.7
Youland et al.	2018	13	85	93	SUVmax T/N > 2
Bund et al.	2017	33	60	100	SUVmax T/N > 2.16
Janvier et al.	2015	31	71	100	SUVmean T/N > 1.33
Nioche et al.	2013	33	94	66	SUVmean > 2.5

T/N Tumor uptake divided by normal brain uptake.