Metaanalysis: Total events and p-value for subgroup and overall estimates

Regarding metaanalyses:

1)

Binary outcomes: Is it possible to add overall total events and non-events (in controls and study-group) below all the studies with individual study-numbers of events and non-events for both groups?


2)

Forest plots with sub-group analyses: Is it possible to add a test with a p-value for the overall effect size (H₀: equal to zero) and subgroup effect sizes in a forest plot with subgroups even though the Stata Meta-guide (page 123) reports that: "Notice that the significance test of the overall effect size equal to zero is no longer reported under Overall summary for subgroup analysis."


Thanks

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