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Table 2 Performance of postSUVmax (at 4.4 cutpoint) and post CT or MRI in predicting immediate locoregional and/or systemic therapeutic failure

From: Predictive and prognostic value of PET/CT imaging post-chemoradiotherapy and clinical decision-making consequences in locally advanced head & neck squamous cell carcinoma: a retrospective study

  Post PET/CT Post CT or MRI
  Value (%) 95 % CI Value (%) 95 % CI
Sensitivity 90.0 55.5–99.7 44.4 13.7–78.8
Specificity 83.8 72.9–91.6 89.4 79.4–95.6
NPV 98.3 90.8–100.0 92.2 82.7–97.4
PPV 45.0 23.1–68.5 36.4 10.9–69.2
  1. Abbreviations: postSUVmax maximum standardized uptake value in PET/CT after definitive CRT, NPV negative predictive value, PPV positive predictive value, CI confidence interval