. Author manuscript; available in PMC: 2011 Jan 27.

Published in final edited form as: J Am Acad Dermatol. 2009 Mar;60(3):394–401. doi: 10.1016/j.jaad.2008.10.062

Table II.

Overall annual incidence of psoriasis over time (per 100,000)

	Incidence rate (per 100,000)^* and 95% confidence interval
Time period	Dermatology confirmed	Overall
1970–1974	38.5 (30.8, 46.1)	50.8 (41.9, 59.6)
1975–1979	38.9 (31.8, 46.1)	53.2 (44.8, 61.6)
1980–1984	69.2 (59.9, 78.5)	80.9 (70.8, 91.1)
1985–1989	65.6 (57.1, 74.2)	78.9 (69.5, 88.4)
1990–1994	66.2 (58.0, 74.4)	88.7 (79.1, 98.3)
1995–1999	79.1 (70.6, 87.7)	100.5 (90.8, 110.2)
Total	62.3 (58.8, 65.8)	78.9 (75.0, 82.9)

Age- and sex-adjusted to the U.S. white 2000 population.