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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Endoscopy. 2017 Dec 22;50(5):497–504. doi: 10.1055/s-0043-122381

Inline graphicTable 5

Standard suction technique group.

Diagnosis following
standard suction
technique
Gold standard diagnosis
Positive for
malignancy
Negative for
malignancy
Positive for malignancy 38 1
Negative for malignancy 17 4
Diagnostic accuracy, % (95%CI)
▪ Sensitivity 69 (55– 80)
▪ Specificity 80 (29–98)
▪ NPV 19 (6– 42)
▪ PPV 97 (84 – 99)

NPV, negative predictive value; PPV, positive predictive value