Table 1.

AUC calculations of ROC analysis for patients with CCA and iCCA versus HCC, benign liver disease, CHB, and healthy individuals.

		PI15			CA19–9			PI15 + CA19–9
	n	AUC	95% CI		AUC	95% CI		AUC	95% CI
CCA versus Controls
CCA versus HCC	51/72	0.735	0.632	0.838	0.875	0.805	0.946	0.908	0.846	0.97
CCA versus Benign	51/28	0.678	0.555	0.8	0.737	0.624	0.85	0.75	0.642	0.858
CCA versus CHB	51/45	0.875	0.793	0.957	0.888	0.813	0.964	0.962	0.915	1.000
CCA versus Normal	51/45	0.692	0.58	0.804	0.881	0.803	0.96	0.878	0.799	0.958
iCCA versus Controls
iCCA versus HCC	26/72	0.75	0.614	0.886	0.849	0.735	0.963	0.921	0.841	1.000
iCCA versus Benign	26/28	0.699	0.558	0.84	0.712	0.573	0.85	0.761	0.634	0.888
iCCA versus CHB	26/45	0.899	0.8	0.998	0.855	0.729	0.98	0.963	0.897	1.000
iCCA versus Normal	26/45	0.709	0.564	0.855	0.854	0.728	0.98	0.85	0.724	0.977