Table 1.

Univariable and Multivariable Cox Regression Analyses for Time-to-the-Occurrence of Recurrent Lupus Nephritis

Variable	Hazard ratio	Univariable 95% Confidence interval	p value	Hazard ratio	Multivariable 95% Confidence interval	p value
Age	0.99	0.94	0.4313	0.97	0.92 – 1.02	0.1729
Gender (male)	1.49	0.54	0.4425	1.36	0.43 – 4.34	0.6058
Ethnicity (African American)	2.78	0.93	0.0683	4.63	1.29 – 16.65	0.0190
Post-transplantation medication
Azathioprine	0.17	0.05–0.54	0.0028	0.28	0.08 – 1.02	0.0534
Cyclosporine A	0.71	0.23–2.16	0.5395
Mycophenolate mofetil	7.06	1.01–57.13	0.0487	3.21	0.35 – 29.19	0.3003
Tacrolimus	2.75	1.13–6.68	0.0256	2.99	1.12 – 7.97	0.0288