Lei Si
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Associate Professor in Health Services Management
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About
Dr. Lei Si is an Associate Professor in Health Services Management at Western Sydney University, Australia. His research focuses on health economic evaluations, particularly in the context of diabetes and osteoporosis management. Recent articles include work on the translation and adaptation of health assessment tools for Chinese populations and cost-effectiveness analyses related to the treatment of chronic conditions in China. He is dedicated to improving health outcomes and healthcare practices through rigorous evaluation and research methodologies.
Recent Grants
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Establishing a cost-effectiveness threshold for health technology assessments to promote optimal and transparent health-care funding decisions in China
Open Date: 2020-01-01
Close Date: 2022-12-01
Grant: Close
Development and evaluation on an individualized health intervention model in patients with chronic diseases in the community setting: an empirical and strategic study based on the Andersen’s Health Services Utilization Behavioral Model
Open Date: 2019-01-01
Close Date: 2022-12-01
Grant: Close
Translation of best practice osteoporosis refracture prevention: stopping fragility fractures to keep Australians out of hospital
Open Date: 2019-01-01
Close Date: 2022-01-01
Grant: Close
Research on performance-based salary distribution mechanism for doctors in county level public hospitals based on the RBRVS methodology
Open Date: 2018-01-01
Close Date: 2021-12-01
Grant: Close
Research on assessment scale of exploration and utilization of community health resources based on the social ecology
Open Date: 2018-01-01
Close Date: 2021-12-01
Articles (12)
Background. The Diabetes Remission Clinical Trial (DiRECT) study demonstrated that an intensive and structured weight management program in UK primary care resulted in high rates of diabetes remission in adults with recent onset type 2 diabetes mellitus (T2DM). This study was aimed at evaluating the translation of the DiRECT intervention into an Australian primary care setting. Methods. All patients enrolled in the DiRECT-Australia Type 2 Diabetes Remission Service in a region of Sydney (Macarthur region, South Western Sydney, Australia) were included. Eligible participants were aged 20–70 years, noninsulin treated, with T2DM of ≤6 years’ duration, and body mass index BMI ≥ 27 kg / m 2 . Total diet replacement of 825-853 kcal/day using meal replacements was implemented for 12 weeks, followed by an ongoing structured program until 52 weeks, with regular follow-up with a general practitioner, dietitian, and/or practice nurse. Results. Of 39 recruited participants, 32 (82.1%) and 27 (69.2%) completed 12 weeks and 52 weeks of the structured program, respectively. Decrease in weight by -12.0 kg (95% CI: -9.6, -14.4; p < 0.001 ) and -9.1 kg (95% CI: -5.2, -12.9; p < 0.001 ) and decrease in glycated haemoglobin (HbA1c) by -1.1% (95% CI: -0.6, -1.6; p < 0.001 ) and -0.6% (95% CI: -0.1, -1.1; p = 0.013 ) were observed at 12 and 52 weeks, respectively. At the end of 12 and 52 weeks, 93.8% (30/32) and 55.6% (15/27) of those with follow-up data met the criteria for diabetes remission, respectively. Quality of life and wellbeing scores increased over the course of 12 weeks, remaining significantly higher at 52 weeks. Participants reported they would be willing to pay A$92.50 (95% CI: A$75.80, A$109.30) per fortnight for the low-calorie meal replacement shakes. Conclusions. These findings support the feasibility of a structured diabetes remission service in an Australian primary care setting to achieve improvements in glycaemia, weight, and quality of life and wellbeing, and suggest a substantial willingness to pay for diet replacement products among participants.
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2024
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2022
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2022
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2022
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2021
Collaborators (8)
Xiaoying Chen
The George Institute for Global Health
Yuanyuan Gu
Macquarie University
Milan K. Piya
University of Western Sydney
David Lim
University of Sydney
Michael E J Lean
University of Glasgow
Lili Song
Conjoint Senior Lecturer
UNSW Sydney
Richard Hooper
Reader in Medical Statistics
Queen Mary University of London
Clarice Tang
Senior Lecturer
Western Sydney University - Campbelltown Campus
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