Nationwide epidemiological survey of childhood IgA vasculitis associated hospitalization in the USA

Jauhola O, Ronkainen J, Koskimeis O, Ala-Houhala M, Arikoski P, Holtta T, et al. (2010) Clinical course of extrarenal symptoms in Henoch–Schönlein purpura: a 6-month prospective study. Arch Dis Child 95:871–876

Stad RK, Bogers WMJM, Thoomes Van Der Sluys ME, Van Es LA, Daha MR (1992) Invivo activation of complement by IgA in a rat model. Clin Exp Immunol 87:138–143

Stad RK, Brujin JA, van Gijlswijk Janssen DJ, van ES LA, Daha MR (1993) An acute model for IgA-mediated glomerular inflammation in rats induced by monoclonal polymetric rat IgA antibodies. Clin Exp Immunol 92:514–521

Yang YH, Hung CF, Hsu LC, et al. (2005) A nationwide survey on epidemiological characteristics of chooldhood Henoch–Schönlein purpura in Taiwan. Rheumatology 44:618–622

Stewart M, Savage JM, Bell B, McCord B (1998) Long term renal prognosis of Henoch–Schönlein purpura in an unselected childhood population. Eur J Pediatr 147:113–115

Saulsbury FT (1999) Henoch–Schönlein purpura in children. Report of 100 patients and review of the literature. Medicine 78:395–409

Gardner-Medwin JM, Dolezalva P, Cummins C, Southwood TR (2002) Incidence of Henoch–Schönlein purpura, Kawasaki disease, and rare vasculitides in the different ethnic origins. Lancet 360:1197–1202

Trapani S, Micheli A, Grisolia F, et al. (2005) Henoch Schonlein purpura in childhood: epidemiological and analysis of 150 cases over a 5-year period and review of literature. Semin Arthritis Rheum 35:143–153

Calviflo MC, Llorca J, Garcia-Prrua C, Fermandez-Iglesias JL, Rodrigue-Ledo P, Gonzalez-Gay MA (2001) Henoch–Schönlein purpura in children from northwestern Spain: a 20-year epidemiologic and clinical study. Medicine (Baltimore) 80:279–290

Witt WP, Weiss AJ, Elixhauser A Overview of hospital stays for children in the United States, 2012: Statistical Brief #187. Healthcare Cost and Utilization Project (HCUP) Statistical Briefs [Internet]. Rockville (MD): Agency for Healthcare Policy and Research (US); 2006 Feb. 2014 Dec

HCUP Kids’ Inpatient Database Comparison Report. Healthcare Cost and Utilization Project Agency for Healthcare Research and Quality. https://www.hcup-us.ahrq.gov/kidoverview.jsp . Accessed 15 May 2016

Introduction to the HCUP Kids’ Inpatient Database (KID) (2012) https://www.hcup-us.ahrq.gov/db/nation/kid/kid_2012_introduction.jsp . Accessed 20 May 2016

Introduction to the HCUP Kids’ Inpatient Database (KID) (2009) https://www.hcup-us.ahrq.gov/db/nation/kid/kid_2009_introduction.jsp . Accessed 20 May 2016

Introduction to the HCUP Kids’ Inpatient Database (KID) (2006) https://www.hcup-us.ahrq.gov/db/nation/kid/kid_2006_introduction.jsp . Accessed 20 May 2016

Introduction to the HCUP Kids’ Inpatient Database (KID) (2003) https://www.hcup-us.ahrq.gov/db/nation/kid/kid_2003_introduction_rpt.jsp . Accessed 20 May 2016

Racial and ethnic composition of the child population. http://www.childtrends.org/?indicators=racial-and-ethnic-composition-of-the-child-population

Age and Sex Composition in the United States (2012)– Census.gov . https://www.census.gov/population/age/data/2012comp.html . Accessed 10 May 2016

Age and Sex Composition in the United States (2009)– Census.gov . https://www.census.gov/population/age/data/2009comp.html . Accessed 10 May 2016

Age and Sex Composition in the United States (2006)– Census.gov . https://www.census.gov/population/age/data/2006comp.html . Accessed 10 May 2016

Age and Sex Composition in the United States (2003)– Census.gov . https://www.census.gov/population/age/data/2003comp.html . Accessed 10 May 2016

Cimolal N, Macnab A (1991) Schonlein-Henoch purpura and streptococcus equisimilis. Br J Dermatol 125:403

Ferley TA, Gillespie S, Rasoulpour M, Tolentino N, Hadler JL, Hurwitz E (1989) Epidemiology of a cluster of Henoch–Schönlein purpura. Am J Dis Child 143:798–803

Blanco R, Martinez-Toboada VM, Rodriguez-Valverde V, Garcia-Fuentes M, Gonzalez-Gay MA (1997) Henoch–Schönlein purpura in adulthood and childhood: two different expressions of the same syndrome. Arthritis Rheum 40:859–864

Lin SJ, Huang JL (1998) Henoch–Schönlein purpura in Chinese children and adults. Asian Pac J Allergy Immunol 16:21–25

Dawod ST, Aki KF (1990) Henoch–Schönlein syndrome in Qatar: the effects of steroid therapy and paucity of renal involvement. Ann Trop Paediatr 10:279–284

al Harbi NN (1996) Henoch–Schönlein syndrome in children: experience from southern part of Saudi Arabia. East Afr Med J 73:191–193

Lee CD, Williams SE, Sathe NA, McPheeters ML (2013) A systematic review of valudated methods to capture several rare conditions using administrative or claims data. Vaccine 31(Supple 10):K21–K27. doi: 10.1016/j.vaccine.2013.03.044