Table 3. Distribution of IgAN Patients Across CKD Stages at Diagnosis/biopsy.
CKD Stage | Overall | US | ||
1 | 21.8%-57.0% | 22.7%, 23.5% | ||
2 | 20.0%-44.4% | 20.0%, 23.9% | ||
3 | 6.3%-40.0% | 24.3%, 40.0% | ||
4 | 1.3%-17.9% | 17.9% | ||
5 | 0.9%-11.2% | 11.2% | ||
Abbreviations: CKD, chronic kidney disease; IgAN, immunoglobulin A nephropathy; US, United States |