BMJ Open (Apr 2021)
Are medical record front page data suitable for risk adjustment in hospital performance measurement? Development and validation of a risk model of in-hospital mortality after acute myocardial infarction
- Chao Zhang,
- Lin Li,
- Yan Liu,
- Jun Wang,
- Xueke Bai,
- Qianying Wang,
- Jing Zhang,
- Zhong Li,
- Lili Sun,
- Yuzhen Zhang,
- Qian Wang,
- Lei Wu,
- Bo Yu,
- Hui Dai,
- Tianyu Liu,
- Guang Ma,
- Xiaoping Gao,
- Jie Wu,
- Shu Zhang,
- Junli Wang,
- Yan Han,
- Guiling Li,
- Yi Tian,
- Zheng Wan,
- Chuanyu Gao,
- Yin Zhou,
- Jian Liu,
- Xin Jin,
- Jian Guan,
- Yu Huang,
- Feng Sun,
- Ruijun Zhang,
- Wei Luo,
- Xuexin Li,
- Weiwei Zhou,
- Long Chen,
- Weimin Li,
- Qing Huang,
- Yong Yi,
- Bin Xu,
- Zhenqiu Lin,
- Chun Yuan,
- Ping Yang,
- Haifeng Wang,
- Zhiming Li,
- Kaihong Chen,
- Guangming Yang,
- Chun Wu,
- Liang Lu,
- Ge Zhang,
- Yong Gao,
- Hongyan Li,
- Xiaofei Li,
- Hua Lu,
- Yanlong Liu,
- Yuhong Liu,
- Ting Jiang,
- Yuhui Lin,
- Chaoqun Wu,
- Danwei Zhang,
- Tiannan Zhou,
- Guangda He,
- Shiping Weng,
- Shuying Xie,
- Lirong Wu,
- Jiulin Chen,
- Tianfa Li,
- Qin Yu,
- Shiguo Hao,
- Xuemei Wu,
- Yachen Zhang,
- Zhifeng Liu,
- Zhongxin Wang,
- Hao Jia,
- Bayin Bate,
- Badeng Qiqige,
- Xiang Jin,
- Fengqin Liu,
- Dayong Xu,
- Xuejin He,
- Shui Yang,
- Jiping Wang,
- Lihua Gu,
- Shijiao Chen,
- Yongchao Zhi,
- Shengcheng Zhou,
- Lingjiao Jin,
- Yong Leng,
- Liangchuan Zhang,
- Tianyun Deng,
- Yuanjin Wang,
- Wenhua Zhang,
- Xinmin Ma,
- Xuan Ge,
- Xiaoping Wu,
- Yanming He,
- Fanju Meng,
- Dexi Liao,
- Guangyong Liu,
- Wen Qin,
- Wen Long,
- Xiangwen Chen,
- Baohong Zhang,
- Yonghou Yin,
- Bin Tian,
- Chaoyong Wu,
- Baoqi Liu,
- Zhihui Zhao,
- Haiming Li,
- Yansong Guo,
- Xinjing Chen,
- Liquan Xiang,
- Lin Ning,
- Xiuqi Li,
- Xing’an Wu,
- Congjun Tan,
- Mingfang Feng,
- Meili Wang,
- Liangfa Wen,
- Xiang Fu,
- Qunxing Xie,
- Yanni Zhuang,
- Jiaqian Lu,
- Qiuling Hu,
- Chunhui Xiao,
- Xiaoli Hu,
- Yongshuan Wu,
- Qiuli Wang,
- Youlin Xu,
- Xuefei Yu,
- Jianhong Zhang,
- You Zhang,
- Wentang Niu,
- Xiaolei Ma,
- Xiaowen Pan,
- Lifu Miao,
- Yanping Yin,
- Zhiying Zhang,
- Shutang Feng,
- Aiping Wang,
- Jiangli Zhang,
- Feipeng Li,
- Lijun Yu,
- Xinxin Zhao,
- Yuansheng Shen,
- Lizhen He,
- Zhiyi Rong,
- Xueqiao Wang,
- Rongjun Wan,
- Jianglin Tang,
- Guanghan Wu,
- Xiaohe Wu,
- Sang Ge,
- Pian Pu,
- Pingcuo Duoji,
- Yuming Du,
- Jianping Shi,
- Peihua Zhao,
- Jingsheng Sun,
- Hongxiang Li,
- Wen Liang,
- Zhiwen Dong,
- Zhenhai Zhao,
- Yaofeng Yuan,
- Zhirong Li,
- Jinbo Gao,
- Qiu’e Guo,
- Ruiqing Zhao,
- Guangjun Song,
- Lize Wang,
- Haiyun Song,
- Jinwen He,
- Jinming He,
- Keyong Shang,
- Changjiang Liu,
- Kuituan Xi,
- Rihui Liu,
- Peng Guo,
- Chaoyang Guo,
- Xiangjun Liu,
- Rujun Zhao,
- Zeyong Yu,
- Wenzhou Li,
- Xudong Jing,
- Huanling Wang,
- Xiyuan Zhao,
- Meifa Wei,
- Shengde Chen,
- Yong Fang,
- Ying Liao,
- Suzhe Cheng,
- Yunke Zhou,
- Xiaoxia Niu,
- Huifang Cao,
- Zebin Feng,
- Feilong Duan,
- Haiming Yi,
- Yuanxun Xu,
- Anran Guo,
- Xianshun Zhou,
- Hongzhuan Cai,
- Peng Zheng,
- Gaofeng Guo,
- Minwu Bao,
- Shaoliang Chen,
- Haibo Jia,
- Hongjuan Peng,
- Duanping Dai,
- Shaoxiong Hong,
- Song Chen,
- Dongya Zhang,
- Yudong Li,
- Jianbu Gao,
- Shouzhong Yang,
- Junhu An,
- Chenyang Shen,
- Yunfeng Liu,
- Huan Qu,
- Saiyong Chen,
- Dehai Jiao,
- Manhong Wang,
- Qiu Wang,
- Yingliang Xue,
- Cheng Yuan,
- Jianqing Zhang,
- Chunmei Wei,
- Yanmei Shen,
- Hehua Zhang,
- Hongmei Pan,
- Xiaowen Ma,
- Yanli Liang,
- Tianbiao Wang,
- Daguo Zhao,
- Xiaoming Tu,
- Zhenyan Gao,
- Fangning Wang,
- Qiang Yang,
- Xiaoping Kang,
- Jianbin Fang,
- Dongmei Liu,
- Chengning Shen,
- Mengfei Li,
- Yingmin Guan,
- Wenfeng Wang,
- Ting Xiao,
- Fengyun Jiang,
- Kaiyou Wu,
- Songguo Wang,
- Xujie Fu,
- Lifang Gao,
- Kai Fu,
- Xiaojing Duan,
- Rui Xiao,
- Ruixia Wu,
- Hongtu Zhang,
- Yuerong Ma,
- Zhonghui Cao,
- Zhansheng Ba,
- Wanhai Fu,
- Jianjun Jiang,
- Yafei Mi,
- Shiyu Zheng,
- Yang Zhong,
- Fangjiang Li,
- Xiaoyuan Wang,
- Pingshuan Dong,
- Laijing Du,
- Zhaofa He,
- Meihua Jin,
- Zhuoyan Chen,
- Manli Cheng,
- Yuqiang Ji,
- Youhua Zhou,
- Jvyuan Li,
- Yizhi Pan,
- Tianxun Wang,
- Guiyu Huang,
- Jianjun Pan,
- Qingliang Cai,
- Yuanming Yi,
- Xuelian Deng,
- Wenhua Chen,
- RongCai; Bing Zhang,
- Yousheng Xu,
- Zhengqiu Wang,
- Jun Shu,
- Puxia Suo,
- Aimin Zhang,
- Yongfen Kang,
- Yuemin Sun,
- Bo Bian,
- Xuejun Hu,
- Dawa Ciren,
- Guojiong Jia,
- Jieli Pan,
- Guofu Li,
- Hongliang Zhang,
- Longliang Zhan,
- Junping Fang,
- Xinli Yu,
- Dacheng Wang,
- Dajun Liu,
- Xinhong Cao,
- Haisheng Zhu,
- Wanchuan Liu,
- Zhaohai Zhou,
- Wuwang Fang,
- Manxin Chen,
- Fuqin Han,
- Jianye Fu,
- Yunmei Wang,
- Binglu Liu,
- Yanliang Zhang,
- Xiupin Yuan,
- Qingfei Lin,
- Yuliang Zhu,
- Zhiqiang Cai,
- Xingping Li,
- Lirong Ao,
- Shubing Wu,
- Fusheng Zhao,
- Renfei Liu,
- Wenwei Ai,
- Jianbao Chang,
- Haijie Zhao,
- Qijun Ran,
- Xuan Ma,
- Shijun Jiang,
- Xiaochun Shu,
- Zhiru Peng,
- Jianbin Wang,
- Li Yang; Yu Shen,
- Xingcun Shang,
- Zhisong Liao,
- Meiying Cai,
- Lining You,
- Shuqin Li,
- Yingjia Li,
- Jianxun Yang,
- Song Ai,
- Jianfei Ma,
- Lailin Deng,
- Keyu Wang,
- Shitang Gao,
- Banghua He,
- Youyi Lu,
- Weirong Yang,
- Zhizhong Zhang,
- Xiaohong Chi,
- Ru Duan,
- Guangli Wang
Affiliations
- Chao Zhang
- 2 Max Planck Independent Research Group on Population Genomics, CAS-MPG Partner Institute for Computational Biology, Shanghai, China
- Lin Li
- 1 Division of Nephrology, Kidney Institute, Changzheng Hospital, Second Military Medical University, Shanghai, China
- Yan Liu
- 5 Data Centre of Traditional Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
- Jun Wang
- 1 Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Anhui, China
- Xueke Bai
- National Clinical Research Center of Cardiovascular Diseases, NHC Key Laboratory of Clinical Research for Cardiovascular Medications, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing, China
- Qianying Wang
- 1 National Clinical Research Center of Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Jing Zhang
- 2Brock University, St. Catharines, Ontario, Canada
- Zhong Li
- 1 School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Lili Sun
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Yuzhen Zhang
- 4 Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Qian Wang
- 1 National Center for Women and Children’s Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Lei Wu
- 2Department of Epidemiology, Institute of Geriatrics, Beijing key laboratory of Aging and Geriatrics, Chinese People's Liberation Army General Hospital, Beijing, China
- Bo Yu
- Shiyang Community Health Center, Chengdu, China, 610000
- Hui Dai
- 1 Center for Health Management, Geriatric Hospital of Nanjing Medical University, Nanjing, China
- Tianyu Liu
- School of Gymnasium, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Guang Ma
- The First Affiliated Hospital of Henan University, Kaifeng, China
- Xiaoping Gao
- 4 Department of Neurology, The First Affiliated Hospital of Hunan Normal University, Changsha, China
- Jie Wu
- 5UCI Genomic High-Throughput Facility, Department of Biological Chemistry, University of California Irvine, Irvine, California, USA
- Shu Zhang
- 1 Division of Epidemiology, Department of Health Informatics and Public Health, Tohoku University School of Public Health, Graduate School of Medicine, Sendai, Japan
- Junli Wang
- 1 Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Yan Han
- National Centre For Std Control, China Cdc, Nanjing – China Popular Republic
- Guiling Li
- Department of Clinical Laboratory, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, Zhejiang, China
- Yi Tian
- 1 Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Zheng Wan
- Chuanyu Gao
- Yin Zhou
- Cambridge Centre for Health Services Research, Institute of Public Health, University of Cambridge, Cambridge, Cambridgeshire, UK
- Jian Liu
- 2Brock University, St. Catharines, Ontario, Canada
- Xin Jin
- 2 Neurosurgery, Austin Health, Heidelberg, Victoria, Australia
- Jian Guan
- 1 Department of Otolaryngology Head and Neck Surgery and Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
- Yu Huang
- 5 Nanshan School, Guangzhou Medical University, Guangzhou, China
- Feng Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
- Ruijun Zhang
- Wei Luo
- 1Centre for Pattern Recognition and Data Analytics, School of Information Technology, Deakin University, Geelong, Victoria, Australia
- Xuexin Li
- 2 Department of Urinary Surgery, Cancer Hospital, Harbin Medical University, Harbin, China
- Weiwei Zhou
- Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK
- Long Chen
- Rugao People’s Hospital, Nantong, Jiangsu 226500, China
- Weimin Li
- President's Office, West China Hospital, Sichuan University, Chengdu, China
- Qing Huang
- 2 Health Economics & Outcomes Research, HealthCore, Inc, Wilmington, Delaware, USA
- Yong Yi
- Bin Xu
- 1 Department of Anatomic Pathology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Zhenqiu Lin
- Center for Outcomes Research and Evaluation, Yale-New Haven Health System, New Haven, Connecticut, USA
- Chun Yuan
- Department of Radiology, University of Washington, Seattle, Washington, USA
- Ping Yang
- Department of Pediatrics, Washington University School of Medicine, St Louis, USA
- Haifeng Wang
- 1 Department of Gastrointestinal Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang Province, China
- Zhiming Li
- 1Translational Medicine Research Center, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian, China
- Kaihong Chen
- Department of Cardiology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, Fujian, China
- Guangming Yang
- 1 Department of R&D, UnionStrong (Beijing) Technology Co.Ltd, Beijing, China
- Chun Wu
- 1 Department of Cardiothoracic Surgery, Chongqing Medical University Affiliated Children's Hospital, Chongqing, China
- Liang Lu
- 2 Birmingham, Alabama, USA
- Ge Zhang
- 5 Human Genetics Division, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Yong Gao
- 1Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Hongyan Li
- 17 Department of Neurology, Xinjiang Uygur Autonomous Region People's Hospital, Urumqi, China
- Xiaofei Li
- 1Department of Pathology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Hua Lu
- Safe Kids China, Shanghai
- Yanlong Liu
- Yuhong Liu
- 1Zhongshan Ophthalmic Centre, State Key Laboratory of Ophthalmology, SunYat-sen University, Guangzhou, China
- Ting Jiang
- Yuhui Lin
- Chaoqun Wu
- National Clinical Research Center of Cardiovascular Diseases, NHC Key Laboratory of Clinical Research for Cardiovascular Medications, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing, China
- Danwei Zhang
- National Clinical Research Center of Cardiovascular Diseases, NHC Key Laboratory of Clinical Research for Cardiovascular Medications, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing, China
- Tiannan Zhou
- Center for Outcomes Research and Evaluation, Yale-New Haven Health System, New Haven, Connecticut, USA
- Guangda He
- National Clinical Research Center of Cardiovascular Diseases, NHC Key Laboratory of Clinical Research for Cardiovascular Medications, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing, China
- Shiping Weng
- Shuying Xie
- Lirong Wu
- Jiulin Chen
- Tianfa Li
- Qin Yu
- Shiguo Hao
- Xuemei Wu
- Yachen Zhang
- Zhifeng Liu
- Zhongxin Wang
- Hao Jia
- Bayin Bate
- Badeng Qiqige
- Xiang Jin
- Fengqin Liu
- Dayong Xu
- Xuejin He
- Shui Yang
- Jiping Wang
- Lihua Gu
- Shijiao Chen
- Yongchao Zhi
- Shengcheng Zhou
- Lingjiao Jin
- Yong Leng
- Liangchuan Zhang
- Tianyun Deng
- Yuanjin Wang
- Wenhua Zhang
- Xinmin Ma
- Xuan Ge
- Xiaoping Wu
- Yanming He
- Fanju Meng
- Dexi Liao
- Guangyong Liu
- Wen Qin
- Wen Long
- Xiangwen Chen
- Baohong Zhang
- 3Pfizer Biotherapeutics RandD, Cambridge, MA, USA
- Yonghou Yin
- Bin Tian
- Chaoyong Wu
- Baoqi Liu
- Zhihui Zhao
- Haiming Li
- Yansong Guo
- Xinjing Chen
- Liquan Xiang
- Lin Ning
- Xiuqi Li
- Xing’an Wu
- Congjun Tan
- Mingfang Feng
- Meili Wang
- Liangfa Wen
- Xiang Fu
- Qunxing Xie
- Yanni Zhuang
- Jiaqian Lu
- Qiuling Hu
- Chunhui Xiao
- Xiaoli Hu
- Yongshuan Wu
- Qiuli Wang
- Youlin Xu
- Xuefei Yu
- Jianhong Zhang
- You Zhang
- Wentang Niu
- Xiaolei Ma
- Xiaowen Pan
- Lifu Miao
- Yanping Yin
- Zhiying Zhang
- Shutang Feng
- Aiping Wang
- Jiangli Zhang
- Feipeng Li
- Lijun Yu
- Xinxin Zhao
- Yuansheng Shen
- Lizhen He
- Zhiyi Rong
- Xueqiao Wang
- Rongjun Wan
- Jianglin Tang
- Guanghan Wu
- Xiaohe Wu
- Sang Ge
- Pian Pu
- Pingcuo Duoji
- Yuming Du
- Jianping Shi
- Peihua Zhao
- Jingsheng Sun
- Hongxiang Li
- Wen Liang
- Zhiwen Dong
- Zhenhai Zhao
- Yaofeng Yuan
- Zhirong Li
- Jinbo Gao
- Qiu’e Guo
- Ruiqing Zhao
- Guangjun Song
- Lize Wang
- Haiyun Song
- 1Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Jinwen He
- Jinming He
- Keyong Shang
- Changjiang Liu
- Kuituan Xi
- Rihui Liu
- Peng Guo
- Departments of Obstetrics and Gynecology, and
- Chaoyang Guo
- Xiangjun Liu
- Rujun Zhao
- Zeyong Yu
- Wenzhou Li
- Xudong Jing
- Huanling Wang
- Xiyuan Zhao
- Meifa Wei
- Shengde Chen
- Yong Fang
- Cancer Biology Research Center; and
- Ying Liao
- Suzhe Cheng
- Yunke Zhou
- Xiaoxia Niu
- Huifang Cao
- Zebin Feng
- Feilong Duan
- Haiming Yi
- Yuanxun Xu
- Anran Guo
- Xianshun Zhou
- Hongzhuan Cai
- Peng Zheng
- Department of Tumor Surgery, Lanzhou University Second Hospital, Lanzhou, China
- Gaofeng Guo
- Minwu Bao
- Shaoliang Chen
- Haibo Jia
- Second Affiliated Hospital Of Harbin Medical University, Harbin, China
- Hongjuan Peng
- Duanping Dai
- Shaoxiong Hong
- Song Chen
- 1Department of Nuclear Medicine, the First Hospital of China Medical University, Shenyang 110001, China
- Dongya Zhang
- 2BGI-Shenzhen, Shenzhen, China
- Yudong Li
- Jianbu Gao
- Shouzhong Yang
- Junhu An
- Chenyang Shen
- Yunfeng Liu
- Huan Qu
- Saiyong Chen
- Dehai Jiao
- Manhong Wang
- Qiu Wang
- Yingliang Xue
- Cheng Yuan
- Jianqing Zhang
- Chunmei Wei
- Yanmei Shen
- Hehua Zhang
- Hongmei Pan
- Xiaowen Ma
- Yanli Liang
- Tianbiao Wang
- Daguo Zhao
- Xiaoming Tu
- Zhenyan Gao
- Fangning Wang
- Qiang Yang
- The Hospital on Integration of Chinese and Western Medical Science in Shapingba District, Chongqing, China
- Xiaoping Kang
- 2Department of Statistics Office, Peking University Health Science Center, Beijing, China
- Jianbin Fang
- Dongmei Liu
- medical statistician
- Chengning Shen
- Mengfei Li
- Yingmin Guan
- Wenfeng Wang
- Ting Xiao
- Fengyun Jiang
- Kaiyou Wu
- Songguo Wang
- Xujie Fu
- Lifang Gao
- Kai Fu
- Xiaojing Duan
- Rui Xiao
- Ruixia Wu
- Hongtu Zhang
- Yuerong Ma
- Zhonghui Cao
- Zhansheng Ba
- Wanhai Fu
- Jianjun Jiang
- 10 Department of Cardiology, Taizhou Hospital, Taizhou, China
- Yafei Mi
- Shiyu Zheng
- Yang Zhong
- Fangjiang Li
- Xiaoyuan Wang
- Pingshuan Dong
- Laijing Du
- Zhaofa He
- Meihua Jin
- Zhuoyan Chen
- Manli Cheng
- Yuqiang Ji
- Youhua Zhou
- Jvyuan Li
- Yizhi Pan
- Tianxun Wang
- Guiyu Huang
- Jianjun Pan
- Qingliang Cai
- Yuanming Yi
- Xuelian Deng
- Wenhua Chen
- RongCai; Bing Zhang
- Yousheng Xu
- Zhengqiu Wang
- Jun Shu
- Puxia Suo
- Aimin Zhang
- 1Department of Gastrointestinal Surgery, The Affiliated Hospital of Hebei University, Baoding, China
- Yongfen Kang
- Yuemin Sun
- Bo Bian
- Xuejun Hu
- Dawa Ciren
- Guojiong Jia
- Jieli Pan
- Guofu Li
- Hongliang Zhang
- Longliang Zhan
- Junping Fang
- Xinli Yu
- Dacheng Wang
- Dajun Liu
- Xinhong Cao
- Haisheng Zhu
- Wanchuan Liu
- Zhaohai Zhou
- Wuwang Fang
- Manxin Chen
- Fuqin Han
- Jianye Fu
- Yunmei Wang
- Binglu Liu
- Yanliang Zhang
- Xiupin Yuan
- Qingfei Lin
- Yuliang Zhu
- Zhiqiang Cai
- Xingping Li
- Lirong Ao
- Shubing Wu
- Fusheng Zhao
- Renfei Liu
- Wenwei Ai
- Jianbao Chang
- Haijie Zhao
- Qijun Ran
- Xuan Ma
- Shijun Jiang
- Xiaochun Shu
- Zhiru Peng
- Jianbin Wang
- Li Yang; Yu Shen
- Xingcun Shang
- Zhisong Liao
- Meiying Cai
- Lining You
- Shuqin Li
- Yingjia Li
- Jianxun Yang
- Song Ai
- 1Beijing Tongren Hospital
- Jianfei Ma
- Lailin Deng
- Keyu Wang
- Shitang Gao
- Banghua He
- Youyi Lu
- Weirong Yang
- Zhizhong Zhang
- Xiaohong Chi
- Ru Duan
- Guangli Wang
- DOI
- https://doi.org/10.1136/bmjopen-2020-045053
- Journal volume & issue
-
Vol. 11,
no. 4
Abstract
Objectives To develop a model of in-hospital mortality using medical record front page (MRFP) data and assess its validity in case-mix standardisation by comparison with a model developed using the complete medical record data.Design A nationally representative retrospective study.Setting Representative hospitals in China, covering 161 hospitals in modelling cohort and 156 hospitals in validation cohort.Participants Representative patients admitted for acute myocardial infarction. 8370 patients in modelling cohort and 9704 patients in validation cohort.Primary outcome measures In-hospital mortality, which was defined explicitly as death that occurred during hospitalisation, and the hospital-level risk standardised mortality rate (RSMR).Results A total of 14 variables were included in the model predicting in-hospital mortality based on MRFP data, with the area under receiver operating characteristic curve of 0.78 among modelling cohort and 0.79 among validation cohort. The median of absolute difference between the hospital RSMR predicted by hierarchical generalised linear models established based on MRFP data and complete medical record data, which was built as ‘reference model’, was 0.08% (10th and 90th percentiles: −1.8% and 1.6%). In the regression model comparing the RSMR between two models, the slope and intercept of the regression equation is 0.90 and 0.007 in modelling cohort, while 0.85 and 0.010 in validation cohort, which indicated that the evaluation capability from two models were very similar.Conclusions The models based on MRFP data showed good discrimination and calibration capability, as well as similar risk prediction effect in comparison with the model based on complete medical record data, which proved that MRFP data could be suitable for risk adjustment in hospital performance measurement.