Table 2.

Comparisons of SLE patients with established ACR/SLICC criteria who had SLE vs. non-SLE primary causes of ESRD in the USRDS at the Montefiore Medical Center^*

	ACR/SLICC+ SLE classified as SLE in the USRDS N=77	ACR/SLICC+ SLE classified as non-SLE in the USRDS N=20	p value**
Age at ESRD onset, mean (SD), years	37 (13)	45 (16)	0.11
Sex, n(%) men	10 (13)	-	0.30
Black race, n(%)	41 (54)	15 (79)	0.048
Hispanic ethnicity, n(%)	44 (58)	-	0.01
Hemodialysis as the initial renal replacement modality	68 (88)	20 (100)	0.11
Transplant recipients, n (%)	40 (52)	-	0.01
Year of ESRD recorded
<2004	24 (31)	-
2004–2009	40 (52)	-
>2009	13 (17)	-	0.11

^*In accordance with the Centers for Medicare and Medicaid Services release of data requirements, cells with fewer than 10 patients per cell were suppressed

^**p-value for Wilcoxon-Mann-Whitney tests for continuous variables, and Pearson’s Chi-square tests or Fisher’s exact tests for categorical variables