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01-createSDtables.R
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01-createSDtables.R
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# ##==============================================================================
# Analysis filename: 01-createSDtables
# Project: OC evaluation
# Author: MF
# Date: 16/12/2020
# Version: R
# Description: Produce descriptives of GP consultation and OC consultation
# Output to csv files
# Datasets used: input_ori.csv
# Datasets created: None
# Other output: tables: 'tb*.csv'
# Log file: log-01-createSDtables
#
## ==============================================================================
## open log connection to file
sink(here::here("logs", "log-01-createSDtables.txt"))
flag_gtsummaryoperational = TRUE
## library
library(tidyverse)
if (flag_gtsummaryoperational){
library(gtsummary)
}
library(gt)
library(here)
#library(webshot)
#webshot::install_phantomjs()
# create directory for saving tables, if not existent
if (!dir.exists(here::here("output", "tables"))){
dir.create(here::here("output", "tables"))
}
## import and pre-process cohort data
df_input <- read_csv(
here::here("output", "input_ori.csv"))
df_cleaned <- df_input %>%
mutate(age_group = factor(cut(age,breaks = c(0,18,40,50,60,70,80, Inf),dig.lab = 2)),
sex = factor(case_when(sex=="F" ~ "Female",sex=="M" ~ "Male",TRUE ~ sex)),
ethnicity = factor(case_when(ethnicity==1 ~ "White",ethnicity==2 ~ "Mixed",ethnicity==3 ~ "Asian",ethnicity==4 ~ "Black",ethnicity==5 ~ "Other")),
care_home_type=factor(case_when(care_home_type=="PC" ~ "Care home",care_home_type=="PN" ~ "Care home",care_home_type=="PS" ~ "Care home",TRUE ~ "Non")),
gp_consult_had = ifelse(is.na(gp_consult_count)|gp_consult_count==0,0,1),
OC_instance=OC_instance_snomed, # setting snomed as the relevant one
oc_instance_had = ifelse(is.na(OC_instance)|OC_instance==0,0,1),
livingalone = ifelse(hh_size<=1,1,0),
has_disability = ifelse(is.na(has_disability),0,has_disability),
imd_quin=ifelse(is.na(imd)|imd=="U",NA,imd)
)
if (flag_gtsummaryoperational){
## Characteristics of those with any OC consultation, any GP consultation and overall population
desc_vars=c("sex","age","age_group","ethnicity","livingalone","region","imd_quin","rural_urban","care_home_type","oc_instance_had")
(gt_ocpop <- df_cleaned %>% select(desc_vars) %>% tbl_summary(by=oc_instance_had) %>% add_p() %>% add_overall() %>% modify_header(label="**Characteristic | had OC**") %>% modify_spanning_header(c("stat_1", "stat_2") ~ "**Had any OC instance**"))
desc_vars2=c("sex","age","age_group","ethnicity","livingalone","region","imd_quin","rural_urban","care_home_type","gp_consult_had")
(gt_gpcpop <- df_cleaned %>% select(desc_vars2) %>% tbl_summary(by=gp_consult_had) %>% add_p() %>% add_overall() %>% modify_header(label="**Characteristic | had GP consultation**") %>% modify_spanning_header(c("stat_1", "stat_2") ~ "**Had any GP consultation**"))
# Use function from gt package to save table as neat png
gt::gtsave(as_gt(gt_ocpop), file = file.path(here::here("output","tables"), "gt_ocpop.png"))
gt::gtsave(as_gt(gt_gpcpop), file = file.path(here::here("output","tables"), "gt_gpcpop.png"))
# steps to remove input data and strip further where possible
gt_gpcpop$inputs <- NULL
gt_gpcpop$call_list <- NULL
gt_gpcpop$meta_data <- NULL
gt_ocpop$inputs <- NULL
gt_ocpop$call_list <- NULL
gt_ocpop$meta_data <- NULL
# Save dta with actual table data, but underlying data removed
save(gt_ocpop,file = file.path(here::here("output","tables"), "gt_ocpop.RData"))
save(gt_gpcpop,file = file.path(here::here("output","tables"), "gt_gpcpop.RData"))
}
## Redactor code (W.Hulme)
redactor <- function(n, threshold){
# given a vector of frequencies, this returns a boolean vector that is TRUE if
# a) the frequency is <= the redaction threshold and
# b) if the sum of redacted frequencies in a) is still <= the threshold, then the
# next largest frequency is also redacted
n <- as.integer(n)
leq_threshold <- dplyr::between(n, 1, threshold)
n_sum <- sum(n)
# redact if n is less than or equal to redaction threshold
redact <- leq_threshold
# also redact next smallest n if sum of redacted n is still less than or equal to threshold
if((sum(n*leq_threshold) <= threshold) & any(leq_threshold)){
redact[which.min(dplyr::if_else(leq_threshold, n_sum+1L, n))] = TRUE
}
n_redacted <- if_else(redact, NA_integer_, n)
}
## Rates per characteristic
df_to_tbrates <- function(mydf,myvars,flag_save=0,tb_name="latest",n_redact=6) {
mytb=
mydf %>%
group_by_at(myvars) %>%
summarise(
population=n(),
gp_consult=sum(gp_consult_count,na.rm=T),
gp_consult_covg = sum(gp_consult_had,na.rm=T),
oc_instance=sum(OC_instance,na.rm=T),
oc_instance_covg=sum(oc_instance_had,na.rm=T),
) %>%
mutate(
gp_consult=redactor(gp_consult,n_redact),
gp_consult_covg = redactor(gp_consult_covg,n_redact),
oc_instance=redactor(oc_instance,n_redact),
oc_instance_covg=redactor(oc_instance_covg,n_redact),
gp_consult_rate=gp_consult/population,
gp_consult_covg_rate=gp_consult_covg/population,
oc_instance_rate=oc_instance/population,
oc_instance_covg_rate=oc_instance_covg/population
)
if (flag_save){
write.csv(mytb,paste0(here::here("output","tables"),"/",tb_name,".csv"))
}
return(mytb)
}
## OC and GP rates per STP
#tb02_gpcr_stp <- df_to_tbrates(df_cleaned,c("stp"),1,"tb02_gpcr_stp")
### OC and GP rates per practice
#tb03_gpcr_practice <- df_to_tbrates(df_cleaned,c("practice"),1,"tb03_gpcr_practice")
## OC and GP rates per age and gender
tb04_gpcr_agesex <- df_to_tbrates(df_cleaned,c("age_group","sex"),1,"tb04_gpcr_agesex")
## OC and GP rates by ethnicity
tb05_gpcr_ethnicity <- df_to_tbrates(df_cleaned,c("ethnicity"),1,"tb05_gpcr_ethnicity")
## OC and GP rates by region and rurality
tb06_gpcr_ruc <- df_to_tbrates(df_cleaned,c("region","rural_urban"),1,"tb06_gpcr_ruc")
## OC and GP rates by care home status
tb07_gpcr_care <- df_to_tbrates(df_cleaned,c("care_home_type"),1,"tb07_gpcr_care")
## OC and GP rates by presence of disability
tb08_gpcr_dis <- df_to_tbrates(df_cleaned,c("has_disability"),1,"tb08_gpcr_dis")
## OC and GP rates by presence of disability
tb09_gpcr_imd <- df_to_tbrates(df_cleaned,c("imd_quin"),1,"tb09_gpcr_imd")
## close log connection
sink()