Identification of SLE by attributed cause of ESRD in the USRDS combined with inpatient diagnostic codes, among Georgia Lupus Registry (GLR) patients who initiated treatment for ESRD (through 2012) and were subsequently hospitalised
| Identification of patients with SLE by | No of patients with SLE identified in USRDS | No of patients with SLE progressing to ESRD, with subsequent hospitalisation data | Attribution to SLE (95% CI) |
|---|---|---|---|
| CMS-2728 only | 150 | 196 | 76.5% (70.0% to 82.3%) |
| CMS-2728 or ICD-9 code (710.0) in two or more hospitalisations ≥30 days apart | 178 | 196 | 90.8% (85.9% to 94.5%) |
| CMS-2728 or ICD-9 code (710.0) in at least one hospitalisation | 188 | 196 | 95.9% (92.1% to 98.2%) |
CMS-2728, Centers for Medicare & Medicaid Services ESRD Medical Eligibility Form 2728; ESRD, end-stage renal disease; ICD-9, International Classification of Diseases V.9; SLE, systemic lupus erythematosus; USRDS, United States Renal Data System.