Study Design and Reference
|
Study period
|
N
|
Diagnosis Rate of IgAN
|
|
Retrospective database (Kaiser Permanente, Northern California)33
|
2018 |
673 |
14.3% |
|
Retrospective single-center (University of North Carolina Chapel Hill Division of Nephropathology)43
|
1986 to 2015 |
|
6.6% |
|
Retrospective database (Kaiser Permanente Southern California Health System)31
|
2000 to 2011 |
4071 |
6.3% |
|
Retrospective, single-center (Saint Louis University Hospital)39
|
1999 to 2006 |
634 |
7.7% |
|
Retrospective, single-center (Rural center, Missouri)40
|
2013 to May 2019 |
118 |
8.4% |
|
Meta-analysis of IgAN rates among patients with biopsy
|
|
38 887
|
8.17%
|
|
Abbreviations: IgAN, immunoglobulin A nephropathy; US, United States. |
|