Table 2. Multivariate logistic regression analysis for cardiovascular mortality controlled for age, gender and left ventricular ejection fraction.

	Odds ratio	95% CI		P value
		Lower	Upper
CD8+CD57+
Age	1.050	0.936	1.178	0.406
Male sex	0.848	0.055	12.985	0.906
LVEF	0.927	0.844	1.018	0.114
CD8+CD57+ T cells	1.100	1.013	1.194	0.024*
CD8+CD28null
Age	1.061	0.950	1.184	0.295
Male sex	0.530	0.045	6.252	0.614
LVEF	0.915	0.837	1.000	0.051
CD8+CD28null T cells	1.069	1.000	1.144	0.052
CD4+CD57+
Age	1.064	0.957	1.182	0.251
Male sex	0.437	0.039	4.938	0.503
LVEF	0.910	0.829	1.000	0.049*
CD4+CD57+ T cells	1.204	0.946	1.533	0.131
CD4+CD28null
Age	1.087	0.984	1.202	0.102
Male sex	0.313	0.025	3.940	0.369
LVEF	0.925	0.850	1.006	0.069
CD4+CD28null T cells	0.994	0.905	1.091	0.892

Abbreviations: CI, Confidence interval; LVEF, left ventricular ejection fraction.

^*P<0.05 is considered significant.