[R-meta] Multilevel meta-analysis using z-scores

[BARANYI Gergö]

Hi Wolfgang,



For continuous outcomes, I have divided the beta coefficient with the standard error.

For any ratios (OR, HR, RR) I have used the following R codes:



OR <- 1.12

OR_low <-1

LogOR <- log(OR)

LogOR_low <-log(OR_low)

diff <- LogOR - LogOR_low

seor <- diff / 1.96

z <- LogOR / seor



As there were also some experimental studies, if not reported, I calculated the t-values from the summary statistics by testing the proportions of individuals in each groups:



prop.test(c(11,7), c(28,28))



Many thanks,
Gergő


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