. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: Gastrointest Endosc. 2020 Feb 25;92(1):108–119.e3. doi: 10.1016/j.gie.2020.02.021

Table 3.

Comparison of Diagnostic Accuracy

Diagnostic Test Characteristics	Total	FNA	FNB	P value
Sensitivity	67.50% (95% CI, 58.35 to 75.77)	51.92% (95% CI, 37.63 to 65.99)	79.41% (95% CI, 67.8 to 88.26)	0.001
Specificity	99.10% (95% CI, 95.08 to 99.98)	98.39% (95% CI, 91.34 to 99.96)	100.00% (95% CI, 92.75 to 100.00)	0.279
Positive Likelihood Ratio	74.92 (95% CI, 10.61 to 529.32)	32.19 (95% CI, 4.53 to 228.92)	NA	NA
Negative Likelihood Ratio	0.33 (95% CI, 0.25 to 0.42)	0.49 (95% CI, 0.37 to 0.65)	0.21 (95% CI, 0.13 to 0.33)	0.002
Positive Predictive Value	98.78% (95% CI, 91.98 to 99.83)	96.43% (95% CI, 79.15 to 99.48)	100.00%	0.039
Negative Predictive Value	73.83% (95% CI, 68.53 to 78.51)	70.93% (95% CI, 64.74 to 76.43)	77.78% (95% CI, 68.70 to 84.81)	0.234
Accuracy	82.68% (95% CI, 77.18 to 87.33)	77.19% (95% CI, 68.40 to 84.53)	88.03% (95% CI, 80.74 to 93.30)	0.030
Adverse Events	1 (0.44)	1 (0.87)	0 (0.00)	0.321