Table 3.

Diagnostic performance of magnetic resonance imaging in diagnosis of lymph node metastasis in different types of cholangiocarcinoma

	Diagnostic		Predictive value		Likelihood ratio
CCA	Sensitivity (95% CI)	Specificity (95% CI)	Positive (95% CI)	Negative (95% CI)	Positive (95% CI)	Negative (95% CI)
Intrahepatic	50.0	88.9	80.0	66.7	4.50	0.56
	(23.0–72.2)	(51.8–99.7)	(28.4–99.5)	(34.9–90.1)	(0.63–32.9)	(0.27–1.17)
Perihilar	61.5	38.9	42.1	58.3	1.01	0.99
	(31.6–86.1)	(17.3–64.3)	(20.3–66.5)	(27.7–84.8)	(0.57–1.77)	(0.40–2.43)
Overall	57.1	56.7	48.0	65.4	1.32	0.76
	(34.0–78.2)	(37.4–74.5)	(27.8–68.7)	(44.3–82.8)	(0.76–2.29)	(0.42–1.36)

CCA cholangiocarcinoma, CI confidence interval