Methods
Survey development
A self-administrating survey assessing knowledge and skills on PCa-ED for PCP previously developed by Drummond et al., was modified. Data on PCP’s practice, skills, and knowledge regarding PCa-ED were included. The survey was evaluated and analysed by a panel of urologists for content discussing. Afterwards, it was analysed by an expert on surveys and questionnaires development and proper modification on wording and syntaxis were made, and a first draft was obtained, which was then delivered to 5 subjects and last modifications were made based feedback, reaching the final version (supplementary material 1).
Survey administration and data collection
PCP were approached in a scheduled session during a local family medicine annual meeting and invited to participate. Only PCP who voluntarily accepted, with current public and/or private clinical activities within Southeast Mexico were included. PCP were categorised by academic degree as social service medical doctors, general practitioners, family medicine physicians and family medicine residents. After a briefing about the survey and the scope of the study, questions and doubts were cleared and every PCP was provided with the printed self-administrating survey to fill in. Data were then emptied in a Microsoft Excel database.
Statistical analysis
A Kolmogorov-Smirnov normality test and descriptive statistics were conducted. Categorical data were compared by the X2test. A logistic regression model was carried out to assess the propensity of PCP to test PSA in asymptomatic men for PCa-ED. All P<0.05 values were considered statistically significant. Analysis was done using SPSS v. 25 software.
Ethics
The protocol was approved by the Hospital Regional de Alta Especialidad de la Península de Yucatán’s Research and Ethics Committee and all surveyed subjects participated voluntarily.