Epidemiological features of immunoglobulin G4-related sclerosing cholangitis in Japan.
autoimmune pancreatitis
epidemiology
etiology
incidence
prevalence
Journal
Journal of hepato-biliary-pancreatic sciences
ISSN: 1868-6982
Titre abrégé: J Hepatobiliary Pancreat Sci
Pays: Japan
ID NLM: 101528587
Informations de publication
Date de publication:
Sep 2020
Sep 2020
Historique:
received:
01
06
2020
accepted:
23
06
2020
pubmed:
1
7
2020
medline:
16
10
2021
entrez:
1
7
2020
Statut:
ppublish
Résumé
Epidemiological data on immunoglobulin G4-related sclerosing cholangitis (IgG4-SC) are scarce. We randomly selected healthcare facilities from a list of all facilities in Japan. The selection rate was determined according to a stratification based on the facility characteristics and scale. We sent questionnaires to the selected facilities enquiring about the number and sex of patients with IgG4-SC in 2018. Among responding facilities, we further inquired about the clinical characteristics of the patients with IgG4-SC. We selected 1180 departments from health centers across Japan. Of them, 532 (45.1%) responded to the questionnaires. The number of reported patients with IgG4-SC was 1045, and the estimated point prevalence was 2.18 (95% confidence interval, 2.13-2.23) per 100 000 population. In addition, we enrolled 1096 patients with IgG4-SC, combining data from previously and newly registered patients. Male patients comprised 79.5% of the population and patients aged 60-80 years had the highest risk for developing the disease. The follow-up period was 5.1 ± 4.0 years and the 5- and 10-year overall survival rates were 95.3% and 89.0%, respectively. The point prevalence of IgG4-SC was 2.18 per 100 000 population. The epidemiological features were similar to those observed in previous studies.
Sections du résumé
BACKGROUND/PURPOSE
OBJECTIVE
Epidemiological data on immunoglobulin G4-related sclerosing cholangitis (IgG4-SC) are scarce.
METHOD
METHODS
We randomly selected healthcare facilities from a list of all facilities in Japan. The selection rate was determined according to a stratification based on the facility characteristics and scale. We sent questionnaires to the selected facilities enquiring about the number and sex of patients with IgG4-SC in 2018. Among responding facilities, we further inquired about the clinical characteristics of the patients with IgG4-SC.
RESULTS
RESULTS
We selected 1180 departments from health centers across Japan. Of them, 532 (45.1%) responded to the questionnaires. The number of reported patients with IgG4-SC was 1045, and the estimated point prevalence was 2.18 (95% confidence interval, 2.13-2.23) per 100 000 population. In addition, we enrolled 1096 patients with IgG4-SC, combining data from previously and newly registered patients. Male patients comprised 79.5% of the population and patients aged 60-80 years had the highest risk for developing the disease. The follow-up period was 5.1 ± 4.0 years and the 5- and 10-year overall survival rates were 95.3% and 89.0%, respectively.
CONCLUSIONS
CONCLUSIONS
The point prevalence of IgG4-SC was 2.18 per 100 000 population. The epidemiological features were similar to those observed in previous studies.
Substances chimiques
Immunoglobulin G
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
598-603Subventions
Organisme : The Ministry of Health, Labor, and Welfare of Japan
Informations de copyright
© 2020 Japanese Society of Hepato-Biliary-Pancreatic Surgery.
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