• LukAndrea O YAOY0000-0002-5244-6069Department of Medicine and Therapeutics, Prince of Wales Hospital, Hong Kong andrealuk@cuhk.edu.hk., Eric M T Hui, Ming-Chuen Sin, Chun-Yip Yeung, Wing-Sun Chow, Andrew Y Y Ho, Hin-Fai Hung, Eva Kan, Chiu-Ming Ng, Wing-Yee So, Chi-Kin Yeung, Kin-Sang Chan, Kin-Wah Chan, Pang-Fai Chan, Shing-Chung Siu, Sau-Cheung Tiu, Vincent T F Yeung, ChanJuliana C NJCNDepartment of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong., ChanFrank W KFWKHospital Authority, Hong Kong., Clement Cheung, Ngai-Tseung Cheung, Siu-Tung Ho, LamKaren S LKSLDepartment of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong., YuLinda W LLWLHospital Authority, Hong Kong., David Chao, and Ip-Tim Lau.
• Department of Medicine and Therapeutics, Prince of Wales Hospital, Hong Kong andrealuk@cuhk.edu.hk.
• Diabetes Care. 2017 Jul 1; 40 (7): 928-935.

ObjectiveNationwide studies on secular trends of diabetes complications are not available in Asia. We examined changes in risk factor control and incidence of complications from diabetes and death in a large longitudinal cohort of Chinese adults with type 2 diabetes in Hong Kong.Research Design And MethodsBetween 1 January 2000 and 31 December 2012, 338,908 Chinese adults with type 2 diabetes underwent metabolic and complication assessment in 16 diabetes centers operated by Hong Kong Hospital Authority that provided care to a large majority of diagnosed patients. Patients were followed for incident acute myocardial infarction (AMI), stroke, end-stage renal disease (ESRD), and death until 31 December 2012. Risk factor levels between enrollment periods were compared. Incidence of clinical events, stratified by diabetes duration, was examined over time.ResultsIncidence of complications from diabetes and death declined over the observation period in patients at varying disease duration. Among the high-risk group with diabetes for at least 15 years, crude incidence of AMI decreased from 8.7 to 5.8, stroke from 13.5 to 10.1, ESRD from 25.8 to 22.5, and death from 29.0 to 26.6 per 1,000 person-year between the periods 2000 to 2002 and 2010 to 2012. Improvements in levels of metabolic risk factors were detected. Proportion of patients achieving HbA1c <7.0% (53 mmol/mol) was increased from 32.9 to 50.0%, blood pressure ≤130/80 mmHg from 24.7 to 30.7%, and LDL cholesterol <2.6 mmol/L from 25.8 to 38.1%.ConclusionsFrom this territory-wide Hong Kong Diabetes Database, we observed decreases in incidence of cardiovascular-renal complications and death and corresponding improvements in risk factor control over a 13-year period.© 2017 by the American Diabetes Association.

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