Histological Features of IgA Nephropathy in Pediatrics and the Magnitude of the Disease in Saudi Children

Table 1

List of local studies that described the prevalence of glomerulonephritis and included pediatrics or designated for pediatrics only.

	Study title	Year	Study intervals	# (%) of pediatric cases	Region	IgA nephropathy frequency
1	Qunibi et al.; “Renal Disease in Saudi Arabia: A Study of 147 Renal Biopsies” [27]	1984	October 1975 until June 1983	15/147 (10%)	Central	Not mentioned
2	Akhtar et al.; “Spectrum of Renal Diseases in Saudi Arabia” [28]	1990	July 1983 and August 1988	127/275 (46%)	National	7/127 (5.5%)
3	Al-Rasheed et al.; “Childhood Renal Diseases in Saudi Arabia. A Clinicopathological Study of 167 Cases” [29]	1996	April 1988-September 1994	167	Central	3%
4	Al-Sabban et al.; “Spectrum of Glomerular Disease Among Children in Saudi Arabia” [30]	1997	1981-1991	376	Central	15/376 (4%)
5	Mitwalli et al.; “Glomerulonephritis in Saudi Arabia: a review” [31]	2000	January 1994 to June 1999	56/200 (28%)	Central	12/56 (21%)
6	Jalalah et al.; “Childhood Primary Glomerular Diseases in the Western Region of Saudi Arabia” [32].	2009	1988 to 2006	169	Western	18/169 (10.7%)
7	Shawarbya et al.; “A Clinicopathologic Study of Glomerular Disease: Experience of the King Fahd Hospital of the University, Eastern Province, Saudi Arabia” [33]	2010	1986–2008	25/233 (~11%)	Eastern	12/25 (48%)
8	Nawaz et al.; “Pattern of Glomerular Disease in the Saudi Population: A Single-Centre, Five-Year Retrospective Study” [34]	2013	January 2005 to December 2009	45/176 (25.5%)	Central	11.5%
9	Alhasan et al.; “Renal Histopathology Spectrum in Children with Kidney Diseases in Saudi Arabia, 1998-2017” [35]	2017	January 1998 to December 2017	326	Central and western region	17 (9.3%)