TABLE 3

18F-FDG PET/MRI Detection of Involved Sites

IndexUncorrected for perceptual errorCorrected for perceptual error
Staging
 Sensitivity95.7% (135/141; 95% CI, 90.6%–98.3%)100% (141/141; 95% CI, 96.7%–100%
 Specificity99.3% (551/555; 95% CI, 98.0%–99.8%)99.5% (552/555; 95% CI, 98.3%–99.9%)
 κ0.960 (P = 0.000)0.987 (P = 0.000)
 AUC0.979 (P = 0.000)0.997 (P = 0.000)
Response assessment
 Sensitivity83.3% (5/6; 95% CI, 36.5%–99.1%)NA
 Specificity100% (603/603; 95% CI, 99.2%–100%)NA
 κ0.908 (P = 0.000)NA
 AUC0.917 (P = 0.000)NA
  • AUC = area under curve; NA = not applicable in absence of perceptual errors at response assessment.