meta forestplot with subgroup option

[Andre Martinez]

Hello,
I am trying to do a forestplot using the subgroup option and adding some columns. As soon as I add a column to the forestplot I loose the labels of the subgroup variable.
Please see below for an example

webuse streptoset, clear
meta forestplot if year == 1971 | year == 1973 | year == 1975 , subgroup(year) nooverall noohetstats  noohomtest noosigtest    noghetstats nogwhomtests nogbhomtests or nullrefline

This produces a forestplot with 1971, 1973, and 1975 as labels for the subgroup variable year

When I use the following code, the labels (1971, 1973, 1975) of the subgroup variable (year) disappear

meta forestplot study _plot if year == 1971 | year == 1973 | year == 1975 , subgroup(year) nooverall noohetstats  noohomtest noosigtest    noghetstats nogwhomtests nogbhomtests or nullrefline

Does anyone how to retain the labels for the subgroup variable ?

Thank you

[Andrew Musau]

Thanks for the reproducible example. You will need "_id" in place of "_study"

webuse streptoset, clear
meta forestplot _id _plot if year == 1971 | year == 1973 | year == 1975 , subgroup(year) nooverall noohetstats noohomtest noosigtest noghetstats nogwhomtests nogbhomtests or nullrefline

[Andre Martinez]

Thank you so much Andrew ! very useful. kind regards