Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study

Abstract Background The prevalence of allergic diseases (ADs), such as asthma and allergic rhinitis (AR), is increasing worldwide in both adults and children. Although ADs are common and frequently coexist in outpatient care, city-level data regarding the characteristics of childhood AD remain limit...

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Main Authors: Yuanyuan Qi, Peng Shi, Renjie Chen, Yufeng Zhou, Lijuan Liu, Jianguo Hong, Lanfang Cao, Yanming Lu, Xiaoyan Dong, Jing Li, Yu Shi, Min Xia, Bo Ding, Liling Qian, Libo Wang, Wenhao Zhou, Yonghao Gui, Xiaobo Zhang
Format: Article
Language:English
Published: BMC 2021-09-01
Series:BMC Pediatrics
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Online Access:https://doi.org/10.1186/s12887-021-02880-0
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author Yuanyuan Qi
Peng Shi
Renjie Chen
Yufeng Zhou
Lijuan Liu
Jianguo Hong
Lanfang Cao
Yanming Lu
Xiaoyan Dong
Jing Li
Yu Shi
Min Xia
Bo Ding
Liling Qian
Libo Wang
Wenhao Zhou
Yonghao Gui
Xiaobo Zhang
author_facet Yuanyuan Qi
Peng Shi
Renjie Chen
Yufeng Zhou
Lijuan Liu
Jianguo Hong
Lanfang Cao
Yanming Lu
Xiaoyan Dong
Jing Li
Yu Shi
Min Xia
Bo Ding
Liling Qian
Libo Wang
Wenhao Zhou
Yonghao Gui
Xiaobo Zhang
author_sort Yuanyuan Qi
collection DOAJ
description Abstract Background The prevalence of allergic diseases (ADs), such as asthma and allergic rhinitis (AR), is increasing worldwide in both adults and children. Although ADs are common and frequently coexist in outpatient care, city-level data regarding the characteristics of childhood AD remain limited in China. This study aimed to assess the profile and characteristics of ADs in the city of Shanghai. Methods A multicenter retrospective study was designed to collect routine administrative data from outpatient and emergency departments from 66 hospitals in Shanghai, China, from 2016 to 2018. Children with asthma, AR, allergic conjunctivitis (AC), and allergic skin diseases were investigated. Demographic characteristics, patients visit pattern, spectrum of diagnosis, and comorbidities were analyzed. Results A total of 2,376,150 outpatient and emergency visits for ADs were included in the period from 2016 to 2018. Allergic skin diseases accounted for 38.9%, followed by asthma (34.8%), AR (22.9%), and AC (3.3%), with a male predominance in all four diseases. Asthma and allergic skin diseases were most frequent in the 1 to < 4 years of age group, while AR and AC were more common in the 4 to < 7 years of age group. Asthma accounted for the greatest number of annual and emergency visits. The most frequent comorbidity of asthma was lower respiratory tract infection (LRTI) (49.3%), followed by AR (20.5%) and upper respiratory tract infection (14.1%). The most common comorbidities of AR were otitis media (23.4%), adenoid hypertrophy/obstructive sleep apnea (22.1%), followed by LRTI (12.1%), asthma (9.4%) and chronic pharyngitis (8.9%). Conclusions Asthma and allergic skin diseases were the most common ADs in outpatient and emergency departments in the study period. Respiratory tract infection was the most common comorbidity of asthma in children. More attention should be devoted to the treatment of comorbidities to improve childhood AD outcomes with a better understanding of the characteristics of ADs in outpatient care.
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spelling doaj.art-29d53fc15f964565909dc9bc662b5e5f2022-12-21T23:32:16ZengBMCBMC Pediatrics1471-24312021-09-0121111010.1186/s12887-021-02880-0Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective studyYuanyuan Qi0Peng Shi1Renjie Chen2Yufeng Zhou3Lijuan Liu4Jianguo Hong5Lanfang Cao6Yanming Lu7Xiaoyan Dong8Jing Li9Yu Shi10Min Xia11Bo Ding12Liling Qian13Libo Wang14Wenhao Zhou15Yonghao Gui16Xiaobo Zhang17Department of Respiratory Medicine, Children’s Hospital of Fudan University, National Children’s Medical CenterDepartment of Data Management and Statistics, Children’s Hospital of Fudan UniversitySchool of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Laboratory of Health Technology Assessment, Fudan UniversityInstitute of Pediatrics, Children’s Hospital of Fudan UniversityDepartment of Respiratory Medicine, Children’s Hospital of Fudan University, National Children’s Medical CenterDepartment of Pediatrics, Shanghai General Hospital, Shanghai Jiaotong UniversityDepartment of Pediatrics, Renji Hospital, Shanghai Jiao Tong UniversityDepartment of Pediatrics, South Campus, Renji Hospital, Shanghai Jiao Tong UniversityDepartment of Respiratory Medicine, Children’s Hospital of Shanghai Jiaotong UniversityBig Data Product Department, Wonders Information Co. Ltd.Big Data Product Department, Wonders Information Co. Ltd.Department of Pediatrics, Renji Hospital, Shanghai Jiao Tong UniversityDepartment of Pediatrics, South Campus, Renji Hospital, Shanghai Jiao Tong UniversityDepartment of Respiratory Medicine, Children’s Hospital of Fudan University, National Children’s Medical CenterDepartment of Respiratory Medicine, Children’s Hospital of Fudan University, National Children’s Medical CenterDepartment of Neonatology, Children’s Hospital of Fudan University, National Children’s Medical CenterCardiovascular Center, Children’s Hospital of Fudan University, National Children’s Medical CenterDepartment of Respiratory Medicine, Children’s Hospital of Fudan University, National Children’s Medical CenterAbstract Background The prevalence of allergic diseases (ADs), such as asthma and allergic rhinitis (AR), is increasing worldwide in both adults and children. Although ADs are common and frequently coexist in outpatient care, city-level data regarding the characteristics of childhood AD remain limited in China. This study aimed to assess the profile and characteristics of ADs in the city of Shanghai. Methods A multicenter retrospective study was designed to collect routine administrative data from outpatient and emergency departments from 66 hospitals in Shanghai, China, from 2016 to 2018. Children with asthma, AR, allergic conjunctivitis (AC), and allergic skin diseases were investigated. Demographic characteristics, patients visit pattern, spectrum of diagnosis, and comorbidities were analyzed. Results A total of 2,376,150 outpatient and emergency visits for ADs were included in the period from 2016 to 2018. Allergic skin diseases accounted for 38.9%, followed by asthma (34.8%), AR (22.9%), and AC (3.3%), with a male predominance in all four diseases. Asthma and allergic skin diseases were most frequent in the 1 to < 4 years of age group, while AR and AC were more common in the 4 to < 7 years of age group. Asthma accounted for the greatest number of annual and emergency visits. The most frequent comorbidity of asthma was lower respiratory tract infection (LRTI) (49.3%), followed by AR (20.5%) and upper respiratory tract infection (14.1%). The most common comorbidities of AR were otitis media (23.4%), adenoid hypertrophy/obstructive sleep apnea (22.1%), followed by LRTI (12.1%), asthma (9.4%) and chronic pharyngitis (8.9%). Conclusions Asthma and allergic skin diseases were the most common ADs in outpatient and emergency departments in the study period. Respiratory tract infection was the most common comorbidity of asthma in children. More attention should be devoted to the treatment of comorbidities to improve childhood AD outcomes with a better understanding of the characteristics of ADs in outpatient care.https://doi.org/10.1186/s12887-021-02880-0Allergic diseasesAsthmaAllergic rhinitisComorbidityOutpatient visit
spellingShingle Yuanyuan Qi
Peng Shi
Renjie Chen
Yufeng Zhou
Lijuan Liu
Jianguo Hong
Lanfang Cao
Yanming Lu
Xiaoyan Dong
Jing Li
Yu Shi
Min Xia
Bo Ding
Liling Qian
Libo Wang
Wenhao Zhou
Yonghao Gui
Xiaobo Zhang
Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
BMC Pediatrics
Allergic diseases
Asthma
Allergic rhinitis
Comorbidity
Outpatient visit
title Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
title_full Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
title_fullStr Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
title_full_unstemmed Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
title_short Characteristics of childhood allergic diseases in outpatient and emergency departments in Shanghai, China, 2016–2018: a multicenter, retrospective study
title_sort characteristics of childhood allergic diseases in outpatient and emergency departments in shanghai china 2016 2018 a multicenter retrospective study
topic Allergic diseases
Asthma
Allergic rhinitis
Comorbidity
Outpatient visit
url https://doi.org/10.1186/s12887-021-02880-0
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