From: Methodological quality of studies of end-stage renal disease risks in lupus nephritis
Quality measure | Observational studies (n= 132) | Clinical trials (n= 42) |
---|---|---|
1. ACR criteria for SLE used | 88.3 | 88.1 |
2. Measure of renal function included | 77.2 | 95.2 |
3. Treatments described | 84.1 | 100 |
4. Community-based study | 11.3 | Not applicable |
5. Inception cohort | 40.1 | 11.9 |
6. Renal biopsy not required for inclusion | 37.1 | 35.7 |
7. Patients with chronic kidney disease not excluded | 80.3 | 23.8 |
8. Losses to follow-up described | 24.2 | 42.8 |
9. Losses to follow-up < 20% | 18.9 | 30.9 |
10. Data reported using Kaplan-Meier curves | 36.3 | 9.5 |