Table 1. Incidence of AIN in published kidney biopsy registries*.
Year (ref) | Period | M/S* | Country | Biopsies (number) | Age | ARF cases | AIN cases |
% AIN of ARF | % AIN of total |
---|---|---|---|---|---|---|---|---|---|
1988 [9] | 1970 – 1986 | S | UK | 2,600 | N/A | N/A | 51 | N/A | 1.9 |
1997 [10] | 1987 – 1993 | M | Italy | 10,357 | N/A | 952 | 104 | 11.3 | 1.0 |
1998 [11] | 1978 – 1998 | M | UK | 7,161 | N/A | 1172 | 76 | 6.5 | 1.1 |
2000 [12] | 1987 – 1999 | M | Saudi Arabia | 1,013 | N/A | N/A | 99 | N/A | 9.8 |
2004 [13] | 1979 – 2002 | M | China | 13,519 | N/A | N/A | 202 | N/A | 1.5 |
2004 [14] | 1988 – 2001 | S | USA | 2,598 | 65 | 583 | 60 | 10.3 | 2.4 |
2004 [15] | 1994 – 2000 | M | Czech | 4,004 | 39 | N/A | 176 | N/A | 4.4 |
2006 [16] | 1986 – 2002 | S | India | 5,415 | N/A | N/A | 135 | N/A | 2.5 |
2006 [17] | 1995 – 2004 | M | Romania | 635 | 70 | 76 | 9 | 12 | 1.5 |
2007 [18] | 1977 – 2005 | S | Italy | 3,269 | 42 | N/A | 137 | N/A | 4.2 |
2009 [19] | 1987 – 2006 | M | Serbia | 1,626 | 39 | N/A | 16 | N/A | 1.0 |
2010 [20] | 1998 – 2007 | S | Iran | 1,407 | 37 | 79 | 28 | 35 | 2.0 |
2011 [21] | 2000 – 2009 | S | South Africa | 1,284 | 38 | 269 | 18 | 6.7 | 1.4 |
2012 [22] | 1999 – 2008 | S | UK | 1,037 | 64.4 | N/A | 49 | N/A | 4.7 |
2013 [23] | 2009 – 2010 | M | Japan | 7,442 | 47 | N/A | 112 | N/A | 1.5 |
2013 [24] | 1994 – 2009 | M | Spain | 14,190 | 63 | 3059 | 383 | 12.9% | 2.7 |
2014 [25] | 2000 – 2010 | S | USA | 3,765 | 41 | N/A | 150 | N/A | 4.0 |
*M/S: M (multiple centers), S (single center). Not all data available for analysis. Criteria for selection: 1) English-language publication; 2) Registry contained > 500 kidney biopsies; 3) Prevalence of AIN was clearly mentioned. Search conducted on PubMed using the following key words: kidney biopsy, interstitial nephritis, tubulointerstitial nephritis, acute, registry, database, glomerulonephritis. In many registries, the %ARF is not reported.