Survival Data Analysis with Time-Dependent Covariates Using Generalized Additive Models

Table 4

Ranks and 𝐹 values for nonparametric effects.

No.	Model	Deviance	d.f.	CV (AIC)
I	s(time) + s(age) + s(pro) + s(bili)	661.77	1933.16	691.99 (685.44)
II	s(age) + s(pro) + s(bili)	663.65	1934.57	690.54 (684.52)
III	s(time) + s(pro) + s(bili)	705.50	1933.93	739.03 (727.64)
IV	Age + s(pro) + s(bili)	663.65	1934.57	690.51 (684.51)
V	Age + s(pro) + bili	686.63	1937.58	708.44 (701.46)
VI	Age + pro + s(bili)	675.80	1938.02	696.53 (689.77)