Vitamin D Receptor Gene Polymorphisms and the Risk of CIN2+ in Shanxi Population

Table 4

Main effect analysis of serum concentration of 25-(OH)-D3.

Effect class	III square sum mean square of	Degrees of freedom	The mean square
Correction model	31330.029	8	3916.254	28.558	<0.001
Intercept	171976.908	1	171976.908	1254.101	<0.001
Group	21483.815	2	10741.907	78.333	<0.001
Genotype	61.221	2	30.61	0.223	0.800
Group genotype (interaction)	1667.494	4	416.874	3.040	0.017
Error	50327.3	367	137.132