Table 2 Prevalence of PD in Copiah County, Mississippi in 1978 standardized to US population 2010a

From: Prevalence of Parkinson’s disease across North America

Sex

Age, years

Denominator

Cases

US population 2010

Expected cases

Age-standardized prevalence/100,000

Male

40–64

2473

4

50,137,484

81,096

 
 

65–74

948

4

10,096,519

42,601

 
 

75+

472

5

7,266,441

76,975

 

Female

40–64

3016

3

52,242,925

51,966

 
 

65–74

1235

8

11,616,910

75,251

 
 

75+

781

7

11,288,114

101,174

 

Total

  

31

142,648,393

429,063

301

  1. aBased on previously published work by others.7 Includes possible and definite cases with 5 of the 31 cases designated as post-encephalitic parkinsonism. These were not removed because age-specific numbers were not available by diagnosis