Table 3. Univariate Cox regression analysis.

Variable	Unadjusted hazard ratio	95.0% CI		Significance
		Lower	Upper
Age	1.033	1.010	1.057	0.005*
Sex	1.003	0.502	2.003	0.994
D-dimer on admission	6.809	3.249	14.268	<0.001*
Diabetes Mellitus	0.948	0.442	2.030	0.890
Hypertension	1.280	0.633	2.586	0.492
Chronic Kidney Disease	3.200	0.437	23.447	0.252

*Significant.