Table 1: Recent studies evaluating N staging with PET/CT compared with PET and CT.

Ref.Sensitivity (%)Specificity (%)PPV (%)NPV (%)Accuracy (%)
PET/CTPETCTPET/CTPETCTPET/CTPETCTPET/CTPETCTPET/CTPETCT

[25]70946495
[26]95778769
[27]5492748281
[28]6597799092
[29]86698571644395888571
[18]838383848168757160908988848274
[30]848485618574
[31]5665100899083
[20]857084698469

Average738374918173717152908988868273