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. 2018 Dec 17;18(1):972.
doi: 10.1186/s12913-018-3772-8.

Cost-of-illness of type 2 diabetes mellitus in low and lower-middle income countries: a systematic review

Afsana Afroz  1 , Mohammed J Alramadan  1 , Md Nassif Hossain  1 , Lorena Romero  2 , Khurshid Alam  3 , Dianna J Magliano  4 , Baki Billah  5
Affiliations

Cost-of-illness of type 2 diabetes mellitus in low and lower-middle income countries: a systematic review

Afsana Afroz et al. BMC Health Serv Res. .

Abstract

Background: Diabetes is one of the world's most prevalent and serious non-communicable diseases (NCDs). It is a leading cause of death, disability and financial loss; moreover, it is identified as a major threat to global development. The chronic nature of diabetes and its related complications make it a costly disease. Estimating the total cost of an illness is a useful aid to national and international health policy decision making. The aim of this systematic review is to summarise the impact of the cost-of-illness of type 2 diabetes mellitus in low and lower-middle income countries, and to identify methodological gaps in measuring the cost-of-illness of type 2 diabetes mellitus.

Methods: This systematic review considers studies that reported the cost-of-illness of type 2 diabetes in subjects aged 18 years and above in low and lower-middle income countries. The search engines MEDLINE, EMBASE, CINAHL, PSYCINFO and COCHRANE were used form date of their inception to September 2018. Two authors independently identified the eligible studies. Costs reported in the included studies were converted to US dollars in relation to the dates mentioned in the studies.

Results: The systematic search identified eight eligible studies conducted in low and lower-middle income countries. There was a considerable variation in the costs and method used in these studies. The annual average cost (both direct and indirect) per person for treating type 2 diabetes mellitus ranged from USD29.91 to USD237.38, direct costs ranged from USD106.53 to USD293.79, and indirect costs ranged from USD1.92 to USD73.4 per person per year. Hospitalization cost was the major contributor of direct costs followed by drug costs.

Conclusion: Type 2 diabetes mellitus imposes a considerable economic burden which most directly affects the patients in low and lower-middle income countries. There is enormous scope for adding research-based evidence that is methodologically sound to gain a more accurate estimation of cost and to facilitate comparison between studies.

Keywords: Cost-of-illness; Direct cost; Indirect cost; LMICs; Systematic review; Type 2 diabetes mellitus.

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Conflict of interest statement

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

Ethical approval and consent to participate

As this is a systematic review no ethical approval and consent to participate is required.

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Figures

Fig. 1
Fig. 1
PRISMA flow chart through the different phases of the systematic review
Fig. 2
Fig. 2
Total direct cost of T2DM by reported studies
See this image and copyright information in PMC

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