Variations in Incidence and Prevalence of Parkinson’s Disease in Taiwan: A Population-Based Nationwide Study

Table 1

Secular trends of the incidence and prevalence rates of Parkinson’s disease in Taiwan, 2002–2009.

Variables	Incidence (per 100,000 person-years)^‡					Prevalence rate (per 100,000 population)^‡
	Calendar year				Change^† (%)	Calendar year				Change^† (%)
	2002-2003	2004-2005	2006-2007	2008-2009		2002-2003	2004-2005	2006-2007	2008-2009
Crude rate	34.3	35.2	36.9	36.6	6.9	164.1	214.5	260.6	306.8	87.0
Standardized rate^‡	33.5	34.5	36.2	36.6	9.2	159.8	209.7	256.5	299.3	87.3

Change (%): percentage of changes in the incidence and prevalence rates of Parkinson’s disease between 2002 and 2009.
^‡Adjusted for age and sex.