Table 3.

Unconditional logistic regression exploring the independent association of clusters categorization and survival risk.

	B	S.E.	Sig.	Exp(β)	95% C.I. for Exp(β)
					Inferior	Superior
Cluster 3 (Reference)			0.064
Cluster 1	0.143	0.684	0.834	1.154	0.302	4.406
Cluster 2	1.242	0.578	0.032	3.462	1.115	10.746
Constant	−1.099	0.436	0.012	0.333

B, coefficient for survival; S.E, standard error; Sig., significance; Exp (β), risk of B coefficient; C.I., confidence interval.