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Table 2 Advantages and disadvantages of projection methods

From: A commentary on studies presenting projections of the future prevalence of dementia

  Extrapolation Macro simulation Micro simulation
Complexity Simple Not overly complex Complex
Account for excess mortality in dementia No Yes Yes
Account for changes in incidence or prevalence Yes Yes Yes
Account for changes in progression No Yes Yes
Directly account for changes in risk factors No No Yes
Allows identification of distributional characteristics of systems No No Yes