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Publication Type : Journal Article
Thematic Areas : Medical Sciences
Publisher : Glob Health Res Policy
Source : Glob Health Res Policy, Volume 4, p.7 (2019)
Campus : Kochi
School : School of Medicine
Department : Endocrinology
Year : 2019
Abstract : Background: Economic dimensions of implementing quality improvement for diabetes care are understudied worldwide. We describe the economic evaluation protocol within a randomised controlled trial that tested a multi-component quality improvement (QI) strategy for individuals with poorly-controlled type 2 diabetes in South Asia. Methods/design: This economic evaluation of the Centre for Cardiometabolic Risk Reduction in South Asia (CARRS) randomised trial involved 1146 people with poorly-controlled type 2 diabetes receiving care at 10 diverse diabetes clinics across India and Pakistan. The economic evaluation comprises both a within-trial cost-effectiveness analysis (mean 2.5 years follow up) and a microsimulation model-based cost-utility analysis (life-time horizon). Effectiveness measures include multiple risk factor control (achieving HbA1c < 7% and blood pressure < 130/80 mmHg and/or LDL-cholesterol< 100 mg/dl), and patient reported outcomes including quality adjusted life years (QALYs) measured by EQ-5D-3 L, hospitalizations, and diabetes related complications at the trial end. Cost measures include direct medical and non-medical costs relevant to outpatient care (consultation fee, medicines, laboratory tests, supplies, food, and escort/accompanying person costs, transport) and inpatient care (hospitalization, transport, and accompanying person costs) of the intervention compared to usual diabetes care. Patient, healthcare system, and societal perspectives will be applied for costing. Both cost and health effects will be discounted at 3% per year for within trial cost-effectiveness analysis over 2.5 years and decision modelling analysis over a lifetime horizon. Outcomes will be reported as the incremental cost-effectiveness ratios (ICER) to achieve multiple risk factor control, avoid diabetes-related complications, or QALYs gained against varying levels of willingness to pay threshold values. Sensitivity analyses will be performed to assess uncertainties around ICER estimates by varying costs (95% CIs) across public vs. private settings and using conservative estimates of effect size (95% CIs) for multiple risk factor control. Costs will be reported in US$ 2018. Discussion: We hypothesize that the additional upfront costs of delivering the intervention will be counterbalanced by improvements in clinical outcomes and patient-reported outcomes, thereby rendering this multi-component QI intervention cost-effective in resource constrained South Asian settings. Trial registration: ClinicalTrials.gov: NCT01212328.
Cite this Research Publication : K. Singh, Ali, M. K., Devarajan, R., Shivashankar, R., Kondal, D., Ajay, V. S., Usha Menon, Varthakavi, P. K., Viswanathan, V., Dharmalingam, M., Bantwal, G., Sahay, R. Kumar, Masood, M. Qamar, Khadgawat, R., Desai, A., Prabhakaran, D., Narayan, K. M. Venkat, Phillips, V. L., and Tandon, N., “Rationale and Protocol for Estimating the Economic Value of a Multicomponent Quality Improvement Strategy for Diabetes Care in South Asia”, Glob Health Res Policy, vol. 4, p. 7, 2019.