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. 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

Figure 2.

Figure 2

Incidence of psoriasis by age groups for males and females.

Bold lines represent the overall (crude) incidence curves and dotted lines represent incidence curves derived using smoothing splines.