TABLE 4

Sensitivity, Specificity, PPV, NPV, and Accuracy in Different Staging Modalities Assessing Distant Node (M1a) Metastases: Gold Standard Assessable in 72 Patients

Staging methodSensitivitySpecificityPPVNPVAccuracy
EUS*2/14 (14)37/38 (97)2/3 (67)37/49 (76)39/52 (75)
CT5/24 (21)47/48 (98)5/6 (83)47/66 (71)52/72 (72)
CT/EUS7/24 (29)46/48 (96)5/9 (56)46/63 (73)53/72 (74)
PET17/24 (71)47/48 (98)17/18 (94)48/55 (87)64/72 (89)
P value†0.021NS0.0080.060.09

  • ↵* Only patients with successfully performed EUS.

  • ↵† Difference calculated between combined CT/EUS and PET by McNemar test for sensitivity, specificity, and accuracy and by χ2 analysis for PPV and NPV.

  • NS = not significant.

  • Values in parentheses are percentage.