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OP12 Projecting the burden of cardiovascular disease and diabetes in Germany: national trends and regional inequalities
  1. Karl Emmert-Fees1,2,
  2. Shammi Luhar3,
  3. Chris Kypridemos4,
  4. Michael Laxy1,2
  1. 1Institute of Health Economics and Health Care Management, Helmholtz Zentrum München, Neuherberg, Germany
  2. 2Associate Professorship of Public Health and Prevention, Technical University of Munich, Munich, Germany
  3. 3Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
  4. 4Department of Public Health and Policy, University of Liverpool, Liverpool, UK


Background Although age-adjusted mortality rates of coronary heart disease (CHD), stroke and type 2 diabetes mellitus (T2DM) are declining in many industrialised countries, the burden of these diseases may increase due to population aging. In Germany 33% of the population is expected to be older than 60 years by 2035 with differences between East and West Germany. Forecasting the burden and regional inequalities of CHD, stroke and T2DM is vital for efficient health policy planning. This study aimed to 1) project mortality of CHD, stroke and T2DM by sex and age for the German population age 30 and older from 2018 to 2035 and 2) analyse regional inequalities in mortality between East and West Germany.

Methods We used population count estimates, cause-specific death counts (based on ICD-10-GM) from 1998 to 2018 and population projections to 2035 provided by the German Federal Statistical Office. Cause-specific mortality rates were forecast until 2035 for each sex, region and 5-year age category using a functional demographic model. The model was calibrated using a root mean squared error approach based on the last five observed years of data and validated graphically. Uncertainty was computed as 95%-confidence intervals (CI). Age-sex-standardised mortality rate ratios (MRRs) between East and West Germany were estimated using direct standardisation with the 2018 German population as the standard population. Projected death counts were calculated by multiplying mortality rates with projected population counts. We used R v4.0.3 with the packages demography v1.22 and forecast v8.13.

Results We found that annual mortality from CHD in Germany is projected to decrease by 36.52% (~23200 deaths, 95%-CI: 14400–30800) for men and 31.70% (~22400 deaths, 95%-CI: 10000–32200) for women by 2035. Mortality from stroke and T2DM is projected to increase by 21.03% (~6200 deaths, 95%-CI: -15000–59300) and 29.68% (~4200 deaths, 95%-CI: -1200–12000) for men and decrease by 40.30% (~16300 deaths, 95%-CI: 11600–20200) and 14.03% (~2300 deaths, 95%-CI: -3700–6500) for women, respectively. Age-sex-standardised MRRs show that mortality from these causes is higher in East Germany. By 2035, inequalities are projected to narrow for CHD and T2DM, the latter potentially being reversed, and remain constant for stroke. The model performed well in validation analyses.

Conclusion Our projections suggest considerable future decreases in CHD mortality for both men and women in Germany. Deaths from stroke and T2DM are projected to increase for men, while decreasing among women. Inequalities between East and West Germany are expected to decline but largely persist throughout the projection period.

  • Mortality forecasting
  • cardiovascular disease and diabetes
  • regional inequalities

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