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PRISMA flow charts are a special case of a common plot used in clinical research. There are many examples where a population is whittled down to a study group, and, in good reports, the process is described. A flow chart is an effective way of presenting this data.
library(PRISMAstatement) suppressPackageStartupMessages(library(DiagrammeR)) knitr::opts_chunk$set( collapse = TRUE, fig.width = 3 )
flow_exclusions( incl_counts = c(972, 132, 77, 14), total_label = "Total Screened", incl_labels = c("Consented", "Completed Study", "BMI <= 30"), excl_labels = c("Declined Consent", "Failed to Complete", "BMI > 30") )
flow_exclusions(c(1000, 300, 150, 75, 38), percent_of_total = TRUE)
flow_exclusions(c(100000, 3000, 1666, 411, 38), percent_of_prev = TRUE, show_count = FALSE)
flow_exclusions( incl_counts = c(972, 132, 77, 14), total_label = "Total Screened", incl_labels = c("Consented", "Completed Study", "BMI <= 30"), excl_labels = c("Declined Consent", "Failed to Complete", "BMI > 30"), percent_of_total = TRUE, percent_of_prev = FALSE, show_count = FALSE, font_size = 14)
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