Table. 5.

Univariable and Multivariable Cox Regression Analyses for Time-to-Allograft-Loss in Patients with Lupus Nephritis who had Undergone Kidney Transplantation^*

Variable	Hazard ratio	Univariable 95% Confidence interval	p value	Hazard ratio	Multivariable 95% Confidence interval	p value
Age	0.98	0.95 – 1.02	0.3030	1.00	0.96 – 1.04	0.9556
Gender (male)	1.29	0.59 – 2.85	0.5185	1.75	0.69 – 4.42	0.2402
Ethnicity (African American)	2.48	1.19 – 6.28	0.0172	3.14	1.21 – 8.14	0.0187
Smoker	1.63	0.76 – 3.52	0.2135
Living-related transplant †	0.57	0.26 – 1.27	0.1706
Living-unrelated transplant†	0.45	0.06 – 0.31	0.4304
Recurrent lupus nephritis	0.58	0.14 – 2.45	0.4610	0.58	0.14 –2.50	0.4646
Azathioprine	2.41	1.10 – 5.27	0.0277	1.20	0.47 – 3.06	0.7014
Cyclosporine	1.94	0.67 – 5.62	0.2210
Mycophenolate	0.29	0.14 – 0.58	0.0005	0.55	0.24– 1.26	0.1566
Tacrolimus	0.68	0.29 – 1.59	0.3730

^*Estimates for allograft loss could not be obtained because none of the patients who retained the allograft had died by the time the study was conducted.

^†Deceased donor is the reference group.