Optimizing the Prognostic Model of Cervical Cancer Based on Artificial Intelligence Algorithm and Data Mining Technology

Table 3

The proportional hazard (PH) assumption test of the four-CpG biomarker model.

Methylation site	Rho	Chisq
cg06661994	0.0374	0.0533	0.817
cg07281370	0.1923	1.4901	0.222
cg07141215	-0.0789	0.1533	0.695
cg11256152	0.0438	0.0973	0.755
GLOBAL	NA	2.4169	0.660^#

All the values of the five covariates were greater than 0.05, indicating that each variable met the PH assumption. ^#The value of global (0.660) was also not statistically significant; the whole model met the PH assumption.