The incidence of Kawasaki disease using hospital admissions data for England 2006-2021.

"allocations were based on the geographical area [lower layer super output area (lsoa)] ascribed to each patient's home postcode at the earliest date of the kda icd10 code ( supplementary data s1 available at rheumatology online).; a poisson regression model was used to describe the trend of kawasaki incidence cases through this period ( supplementary data s2 available at rheumatology online).; further details including the results of secondary analyses can be found in supplementary data s3 available at rheumatology online.; regional data including confidence intervals are shown in supplementary data s4 available at rheumatology online."

"Disclosure statement: M.O., F.A.P. and P.C.L. are recipients of a grant from Vifor pharma. Vifor pharma had no influence on the design, conduct or interpretation of this study. P.B. has received consultancy fees from Novartis, Sobi, Roche and Catalyst Biosciences."

"Funding No specific funding was received from any bodies in the public, commercial or not-for-profit sectors to carry out the work described in this article. Disclosure statement: M.O., F.A.P. and P.C.L. are recipients of a grant from Vifor pharma. Vifor pharma had no influence on the design, conduct or interpretation of this study. P.B. has received consultancy fees from Novartis, Sobi, Roche and Catalyst Biosciences."

"This work uses data that has been provided by patients, the NHS and other health care organisations as part of patient care and support. The data is collated, maintained and quality assured by the National Congenital Anomaly and Rare Disease Registration Service, which is part of NHS Digital (NHSD). [Source: Hospital Episode Statistics (HES), NHS Digital Copyright © 2022, Re-used with the permission of NHS Digital. All rights reserved.] We would like to thank Joanna Snietura, Julie Battista and Matthew Bell who undertook the patient case validation for three additional Trusts. Special thanks to Jennifer Lai, who extracted updated indices of deprivation data for our cohort. M.R. is funded by a Versus Arthritis Clinical Research Fellowship (Award reference: 22727). F.A.P. is funded by the National Institute for Health Research (NIHR Advanced Fellow NIHR300863). The views expressed in this publication are those of the author(s) and not necessarily those of the NIHR, NHS or the UK Department of Health and Social Care."