Ethical Approval and Consent to participate: Given that the medical information of inpatients was recorded anonymously by case history, which would not bring any risk to the participants, the Ethics Committee of Beijing Chest Hospital, Capital Medical University approved this study with a waiver of informed consent from the patients.
Consent for publication: Not applicable.
Availability of supporting data: Data are not publicly available. However, de-identified data can be obtained on a reasonable request to correspondence.
Competing interests: The authors declare that they have no competing interests.
Funding: Supported by Key Project of Chinese National Programs (No. 2015ZX10003001), ‘Beijing Municipal Administration of Hospitals’ Ascent Plan (No.DFL20181601), Tongzhou District development support plan for high-level talent (No.YHLD2019035) and Tongzhou District Science and Technology Committee (No. KJ2017CX054).
Contributors: TSJ and LL designed the investigation. TSJ, LL, KWL, DJ, CYQ, CHY,LJX,MJS,LMW,QJM,SW,ZPL,YXF,ZY,DYK,YZY,MZX,DQY,WP,HW,WMY,CL,ZXG,TL,LFJ,ZC,LHW,LXJ,AET,DYR,LFL,YS,CWY,WQH,CHX,HJF,XQY,FYM,LWY,TPJ,ZJY,ZJ,CDW,YXY,RT,LY,LYY,WL,SQ,YM,ZJ,LYY,GSL,YK,SXH,LD and ZYL participated in the implementation of the investigation. TSJ, LL, KWL, DJ, CYQ, CHY, LJX, MJS, LMW, QJM, SW, ZPL, YXF, ZY, DYK, YZY,MZX, DQY, WP,HW, WMY,CL,ZXG,TL, LFJ,ZC,LHW, LXJ,AET,DYR,LFL, YS, CWY,WQH, CHX, HJF,XQY,FYM,LWY,TPJ,ZJY,ZJ,CDW,YXY,RT, LY, LYY,WL,SQ, YM, ZJ, LYY,GSL,YK,SXH,LD and ZYL participated in data collection and data management. TSJ, LL, KWL, DJ, CYQ, CHY, LJX, MJS, LMW, QJM participated in data analysis and wrote the initial draft of the report and all authors revised and approved the final report.
Acknowledgments: We acknowledge the outstanding contributions from Innovation Alliance on Tuberculosis Diagnosis and Treatment（Beijing）and the technicians and nursing staff at 21 Hospitals in China. We also thank Douglas Lowrie of Shanghai Public Health Clinical Center for his invaluable help editing the manuscript.
Supplementary information: Supplementary information accompanies this paper.
Wanli Kang, Jian Du, Yunqing Chang, Wei Shu, Liang Li, Shenjie Tang: Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute,Beijing 101149,China;
Hongyan Chen, Hongwei Liu, Tong Ren: Shenyang chest Hospital, No. 11 Beihai street, Dadong district, Shenyang110044, China;
Jianxiong Liu, Xinjie Li, Yang Li: Guang Zhou Chest Hospital, No.62,Heng Zhi Gang Road, Yuexiu District, Guangzhou, Guangdong 510095,China;
Jinshan Ma, Ertai A, Yuanyuan Li: Chest Hospital of Xinjiang, No.106, Yan 'An Road, Tianshan District, Urumqi, Xinjiang 830049, China;
Mingwu Li, Yingrong Du, Lei Wu: The Third People’s Hospital of Kunming, No.319 Wu Jing Road, Kunming City, Yunnan Province 650041, China;
Jingmin Qin,Fenglin Liu, Qiang Song: Shandong provincial Chest Hospital, No.12,Lieshishandong Road, Licheng District, Jinan, Shandong 250000, China;
Peilan Zong: Jiangxi chest (third people) Hospital, No.346 Dieshan Road, Donghu District, Nanchang City, Jiangxi Province 330006, China;
Xiaofeng Yan, Song Yang, Mei Yang: Chongqing Public Health Medical Center, No.109,Baoyu Road, Geleshan Town, Shapingba District, Chongqing 400036, China;
Yi Zhang, Wenyu Cui, Jian Zhang: Chang Chun Infectious Diseases Hospital, No. 2699, Sandao Section, Changji South Line, Erdao District, Changchun City, Jilin Province 130123, China;
Yongkang Dong, Quanhong Wang:Taiyuan Fourth People's Hospital, Number 231,Xikuang Street,Wan Bailin District, Taiyuan City, Shanxi Province 030024, China;
Zhiyi Yang, Xiaohong Chen:Fuzhou Pulmonary Hospital of Fujian, No.2, lakeside, Cangshan District, Fuzhou 350008,China;
Zaoxian Mei, Junfeng Han, Yuanyuan Liu: Tianjin Haihe Hospital, Number 890, Shuanggangzhenjingu Road, Jinnan district, Tianjin City 300350, China;
Qunyi Deng, Qingyao Xie:Third People's Hospital of Shenzhen, 29 Bulan Road, District Longgang, Shenzhen 518112, China;
Pu Wang, Yanmei Feng, Shuliang Guo:The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, Chongqing 400016, China;
Wenge Han, Wenyu Liu, Kun Yan: Weifang NO.2 People's Hospital, NO.7th Yuanxiao Street Kuiwen District 261041, China;
Meiying Wu, Peijun Tang, Xinghua Shen:The Fifth People's Hospital of Suzhou, NO.10 Guangqian Road, Suzhou City Jiangsu Province 215000,China;
Ling Chen, Jianyong Zhang, Dan Lei:Affiliated Hospital of Zunyi Medical College, NO.149 Delian Road, Zunyi,Guizhou 563000, China;
Xinguo Zhao, Jian Zheng:The Fifth People's Hospital of Wuxi, No.1215, Guang Rui Road, Wuxi 214001, China;
Lei Tan: TB Hospital of Siping City, No. 10 Dongshan Road, Tiedong District, Siping City, Jilin Province 136001, China;
Fujian Li, Dawei Chen, Yanli Zhang:Baoding hospital for Infectious disease, No. 608 Dongfeng East Road, Lianchi District, Baoding City, Hebei Province 071000, China;
Chao Zheng, Xiangyang Yao: The First Affiliated Of XiaMen University, Zhenhai Roud, Siming District, Xiamen City, Fujian Province, 361003 China.