Table 3.

Area under the receiver operating characteristic curve of the developed prediction models and their difference for 3-year and 5-year all-cause and disease-specific mortality presented as median (95% CI).

Outcomes	Internal validation	External validation	Difference
All-cause mortality
Three years	0.74 (0.69; 0.78)	0.73 (0.68; 0.77)	0.01 (−0.04; 0.05)
Five years	0.76 (0.72; 0.79)	0.72 (0.67; 0.76)	0.04 (−0.01; 0.08)
Disease-specific mortality
Three years	0.74 (0.70; 0.78)	0.73 (0.68; 0.77)	0.01 (−0.04; 0.06)
Five years	0.75 (0.72; 0.79)	0.71 (0.66; 0.75)	0.04 (−0.01; 0.10)