Table 2 Prevalent percentage rates of neurodegenerative disease in the linked Electronic Health Records (EHR)-Medicare cohort in 2014–2017 per 100 person-years

Neurodegenerative Disease (N, %)

4,506 (9.0)

3,178 (6.4)

5,808 (10.1)

4,052 (7.0)

7,111 (11.6)

4,986 (8.1)

7,936 (12.5)

5,675 (8.9)

10,031 (9.8)

6,472 (6.4)

Dementia

3,591 (7.2)

2,362 (4.7)

4,655 (8.1)

3,018 (5.2)

5,823 (9.5)

3,814 (6.2)

6,578 (10.4)

4,444 (7.0)

8,156 (8.0)

4,858 (4.8)

Parkinson's Disease

947 (1.9)

846 (1.7)

1,183 (2.1)

1,061 (1.8)

1,317 (2.2)

1,206 (2.0)

1,383 (2.2)

1,260 (2.0)

1,933 (1.9)

1,678 (1.7)