Time of PET/CT
Sensitivity
Specificity
PPV
NPV
<12 weeks (n=98)
*
55.2%
73.9%
47.1%
79.7%
≥ 12 weeks (n=18)
*
33.3%
100.0%
100.0%
88.2%
Abbreviation: PPV=Positive Predictive Value; NPV=Negative Predictive Value
*
n refers to number of neck sides
Table 3:
Predictive value of PET/CT imaging based on timing.