Improved outcome of patients with diabetes mellitus with good glycemic control in the cardiac intensive care unit: a retrospective study

Table 7 Cox multivariate regression analysis investigating covariates associated with 1-year mortality

Parameter	B	SE	Wald	Sig.	HR	95% CI HR
Parameter	B	SE	Wald	Sig.	HR	Lower	Upper
1-year mortality (model without HbA1c)
Sex	0.742	0.412	3.237	0.072	2.099	0.936	4.709
Age	0.049	0.022	4.791	0.029	1.050	1.005	1.097
Pulmonary edema	1.794	0.435	17.033	0.000	6.011	2.565	14.089
Chronic renal failure	− 0.350	0.627	0.311	0.577	0.705	0.206	2.407
Smoking	− 12.258	451.126	0.001	0.978	0.000	0.000	0.000
Charlson comorbidity index	0.199	0.103	3.748	0.053	1.221	0.998	1.494
Hypoglycemia	− 0.705	1.049	0.452	0.501	0.494	0.063	3.861
Glucose control	− 0.891	0.437	4.150	0.042	0.410	0.174	0.967
Acute coronary syndrome	− 0.121	0.403	0.090	0.765	0.886	0.403	1.952
1-year mortality (model with HbA1c)
Sex	1.280	0.750	2.910	0.088	3.595	0.826	15.640
Age	0.130	0.047	7.751	0.005	1.139	1.039	1.248
Pulmonary edema	3.196	0.811	15.518	0.000	24.423	4.981	119.751
Chronic renal failure	− 1.133	1.619	0.490	0.484	0.322	0.013	7.682
Smoking	− 12.752	1066.916	0.000	0.990	0.000	0.000	0.000
Charlson comorbidity index	0.187	0.196	0.919	0.338	1.206	0.822	1.770
Hypoglycemia	− 14.473	7187.596	0.000	0.998	0.000	0.000	0.000
Glucose control	− 0.442	0.918	0.232	0.630	0.643	0.106	3.882
Acute coronary syndrome	− 0.075	0.810	0.009	0.926	0.928	0.190	4.537
HbA1c	0.249	0.253	0.966	0.326	1.282	0.781	2.105

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