A Population-Based Study of Peyronie's Disease: Prevalence and Treatment Patterns in the United States
Figure 1
Diagram of study design. Data for this study were collected in 2 phases. In Phase 1, panel participants were screened for the presence of symptoms, past treatment, and a diagnosis of Peyronie’s disease. In Phase 2, eligibility to complete the full survey was determined by participants’ responses to the screening items in Phase 1. KN = Knowledge Networks.