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Table 4 Comparison of 18F-FDG PET/CT and CT for the region-based detection of nodal and extranodal disease

From: The usefulness of 18F-FDG PET/CT for assessing methotrexate-associated lymphoproliferative disorder (MTX-LPD)

  Region-based analysis Diagnostic performance
TP FP TN FN Total Sensitivity Specificity Accuracy
FDG-PET/CT 83 6 226 9 324 83/92 (90.2 %) 226/232 (97.4 %) 309/324 (95.4 %)
CT 55 12 220 37 324 55/2 (59.8 %) 220/232 (94.8 %) 275/324 (84.9 %)
  1. FN false negative, FP false positive, TN true negative, TP true positive