Diabetes
What drives the rising cost of diabetes in urban China?
Open access · cc by · source: Europe PMC
In 44,994 urban Chinese patients, mean annual diabetes-related medical costs rose from $1,293 (2014) to $2,093 (2019); hospitalization multiplied cost 2.23× and cardiovascular/kidney complications added ~65%/54%.
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Study at a glance
- Design
- Cohort — Longitudinal urban Chinese health-insurance claims 2014–2019 for people diagnosed with diabetes before January 2015; regression of DM cost on hospitalization and complications.
- N
- N=44994 · 44,994 patients (47% men; mean age 65.3); 89% UEBMI.
- Population
- Urban patients with diabetes in one eastern Chinese city, identified from the official health-management system.
- Outcome
- Annual diabetes-related direct medical cost (DM cost) and effects of hospitalization and six complication groups.
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What drives the rising cost of diabetes in urban China?
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
N = 44,994 patients with diabetes.
Our research included 44,994 patients with diabetes
Mean annual DM cost rose from 1,292.72 to 2,092.87 USD.
the average annual DM costs for diabetic patients increased from 1,292.72 USD in 2014 to 2,092.87 USD in 2019
Key findings
Complications prevalence rose from 58.9% (2014) to 91.9% (2019). Cost AAGR was 10.12%. Hospitalized patients’ 2019 mean cost was $4,524 vs $1,172 without admission. Cost scaled with complication count (1.83× to 7.53× vs none). Cardiovascular (+65%) and nephropathy (+54%) were the priciest types.
Methodology
Pulled 2014–2019 claims for everyone diagnosed with diabetes before 2015 in one eastern city, classified six ICD-10 complication groups, described stratified DM costs, and used clustered multiple linear regression (exponentiated β as cost multipliers).
Limitations
One city and insurance claims miss informal care and undiagnosed diabetes; observational multipliers are not causal proof that preventing one complication saves exactly 54–65%; coding intensity may rise over time.
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