update dementia module to adjust prevalence by age group #1599

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hzhangm5 wants to merge 1 commit into synthetichealth:master from hzhangm5:dementia-update

hzhangm5 commented Jul 28, 2025

These module changes are designed to achieve similar prevalence per age group reported for Alzheimer’s disease here:

https://www.alz.org/getmedia/ef8f48f9-ad36-48ea-87f9-b74034635c1e/alzheimers-facts-and-figures.pdf

Real

Age	Prevalence
30-64	0.001
65+	0.110
65-74	0.051
75-84	0.132
85+	0.334

Prevalence sourced from above

The data below was generated using the command ./run_synthea -p 10000 for the Before and After cohorts.

Before

Age	Prevalence
30-64	0.004
65+	0.088
65-74	0.023
75-84	0.171
85+	0.160

After

Age	Prevalence
30-64	0.002
65+	0.103
65-74	0.029
75-84	0.133
85+	0.308


          update dementia module to adjust prevalence by age group

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