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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: J Rheumatol. 2021 Apr 15;48(10):1559–1565. doi: 10.3899/jrheum.201123

Figure 2. Kaplan-Meier curves for PsA development stratified by psoriasis characteristics.

Figure 2.

Panel (A) history of fingernail psoriasis, (B) pustular psoriasis, (C) Koebner phenomenon, (D) untreated induration. Induration was measured on a 0–5 scale, 0 being not present and 5 being the most severe. The x-axis is time in years from enrollment. The y-axis is the cumulative probability of not developing PsA.