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ORIGINAL RESEARCH article

Front. Med.

Sec. Pulmonary Medicine

Volume 12 - 2025 | doi: 10.3389/fmed.2025.1650997

Global, regional and national burden of interstitial lung disease and pulmonary sarcoidosis, 1990-2021 and projection to 2040

Provisionally accepted
Xinxin  ZhangXinxin Zhang1Yanting  ZhuangYanting Zhuang1Yizi  XieYizi Xie1Gang  LiaoGang Liao2Huiqiu  LiangHuiqiu Liang2Wujin  WenWujin Wen2Yuguang  ChenYuguang Chen2Xiufang  HuangXiufang Huang1Leshen  LianLeshen Lian3*Xunsheng  QianXunsheng Qian3*Shaofeng  ZhanShaofeng Zhan1*
  • 1Guangzhou University of Traditional Chinese Medicine First Affiliated Hospital, Guangzhou, China
  • 2Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China
  • 3Dongguan Hospital of Traditional Chinese Medicine, Dongguan, China

The final, formatted version of the article will be published soon.

Interstitial lung disease and pulmonary sarcoidosis (ILD&PS) represent a group of respiratory diseases characterized by high heterogeneity and substantial burden. In this study, we conducted a comprehensive analysis of burden with ILD&PS and provided estimates for 2040. Prevalence, incidence, disability adjusted life years (DALYs), and deaths were analyzed at global, regional, and national levels using GBD 2021 data. Subgroup analyses were performed by age and gender to assess the quantity of global burden and trends. The BAPC model was used to forecast the worldwide disease load until 2040. From 1990 to 2021, global prevalence, incidence, DALYs, and mortality rates of ILD&PS increased by 128% (1887445.26 to 4306627.72), 148% (157,441.17 to 390,267.11), 169% (1,501,028.43 to 4,042,150.49), and 242% (54,967.23 to 188,222.37), respectively, and the corresponding age-standardized rates (ASRs) also showed an upward trend. Additionally, the burden in Australasia and Andean Latin America varied greatly at the regional level, with ASR burden increasing highest in high sociodemographic index (SDI) region over the previous 32 years. Correlation analysis revealed a positive correlation between ASR burden and SDI. Subgroup analysis showed a higher burden in adults over 50 and consistently greater burden in males than females. The overall burden of ILD&PS increased from 1990 to 2021, and by 2040, the ASR burden was expected to progressively normalize. Policymakers should give prevention and treatment measures top priority, paying special attention to high-burden areas and populations.

Keywords: Interstitial lung disease and pulmonary sarcoidosis, Global burden of disease, Epidemiology, prediction, trend

Received: 20 Jun 2025; Accepted: 21 Aug 2025.

Copyright: © 2025 Zhang, Zhuang, Xie, Liao, Liang, Wen, Chen, Huang, Lian, Qian and Zhan. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence:
Leshen Lian, Dongguan Hospital of Traditional Chinese Medicine, Dongguan, China
Xunsheng Qian, Dongguan Hospital of Traditional Chinese Medicine, Dongguan, China
Shaofeng Zhan, Guangzhou University of Traditional Chinese Medicine First Affiliated Hospital, Guangzhou, China

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