Development of a new Cox model for predicting long-term survival in hepatitis cirrhosis patients underwent transjugular intrahepatic portosystemic shunts

Table 3 The areas under the receiver operating characteristic curves of the newly developed Cox model compared to those of the Child-Pugh, model for end-stage liver disease, model for end-stage liver disease-sodium and the Freiburg index of post-transjugular intrahepatic portosystemic shunt survival models

	NDC	Child-Pugh	MELD	MELD-Na	FIPS
Training cohort
6-yr AUC	0.906	0.689	0.649	0.666	0.583
95%CI	0.791-1.000	0.546-0.833	0.493-0.805	0.515-0.817	0.420-0.747
P value vs NDC		0.002b	0.001b	0.001b	< 0.001b
Validation cohort
6-yr AUC	0.956	0.670	0.661	0.748	0.691
95%CI	0.868-1.000	0.460-0.879	0.400-0.921	0.541-0.955	0.439-0.943
P value vs NDC		0.007b	0.007b	0.02a	0.02a

^aP < 0.05.

^bP < 0.01.

AUC: Area under the receiver operating characteristic curve; FIPS: Freiburg index of post-transjugular intrahepatic portosystemic shunt survival; MELD: Model for end-stage liver disease; Na: Sodium; NDC: Newly developed Cox.