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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Cyst Fibros. 2015 Mar 6;14(6):763–769. doi: 10.1016/j.jcf.2015.02.007

Figure 4. Covariate distributions by Prior-year PEx subgroup.

Figure 4

Percentages of all patients (vertical dashes), and Prior-year PEx patient subgroups (circles) in which categorical covariates included in Cox proportional hazards regression (Figure 1) were positive.