Table 2.

PD incidence by year.

	Number of person-years			Number of de novo PD cases		PD incidence rate (95% CI) (per 1,000 person-years)
	Total	M	F	Total	M	F	Total	M	F
2007	934139.8	472710.1	461429.7	527	253	274	0.56 (0.52–0.61)	0.54 (0.47–0.61)	0.59 (0.53–0.67)
2008	925348.4	466986.5	458361.9	607	240	367	0.66 (0.61–0.71)	0.51 (0.45–0.58)	0.80 (0.72–0.89)
2009	916,141	461085.9	455055.1	648	290	358	0.71 (0.65–0.76)	0.63 (0.56–0.71)	0.79 (0.71–0.87)
2010	906457.9	454953.1	451504.8	785	328	457	0.87 (0.81–0.93)	0.72 (0.65–0.80)	1.01 (0.92–1.11)
2011	896023.2	448534.3	447488.9	713	305	408	0.80 (0.74–0.86)	0.68 (0.61–0.76)	0.91 (0.83–1.00)
2012	885027.9	441688.8	443339.1	826	356	470	0.93 (0.87–1.00)	0.81 (0.73–0.89)	1.06 (0.97–1.16)
2013	873650.3	434776.8	438873.5	897	400	497	1.03 (0.96–1.10)	0.92 (0.83–1.01)	1.13 (1.04–1.24)
2014	861964.1	427688.7	434275.4	842	375	467	0.98 (0.91–1.05)	0.88 (0.79–0.97)	1.08 (0.98–1.18)
2015	849620.8	420361.7	429259.1	919	428	491	1.08 (1.01–1.15)	1.01 (0.93–1.12)	1.14 (1.05–1.25)
2016	836753.7	412908.7	423,845	1,022	445	577	1.22 (1.15–1.30)	1.08 (0.98–1.18)	1.36 (1.25–1.48)
2017	823391.4	405168.8	418222.6	1,053	487	566	1.28 (1.20–1.36)	1.20 (1.10–1.31)	1.35 (1.25–1.47)
2018	808850.4	396820.9	412029.5	1,085	495	590	1.34 (1.26–1.42)	1.25 (1.14–1.36)	1.43 (1.32–1.55)

CI, confidence interval; PD, Parkinson’s disease.