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Table 8 Number of studies per meta-analysis (minimum, median and maximum), a propos large z values

From: Multivariate meta-analysis of critical care meta-analyses: a meta-epidemiological study

  Mortality Second outcome Third outcome
OR
 Acceptable z 4, 12 & 24 4, 8 & 20 3, 7 & 15
 Large z 6, 13 & 16 5, 6 & 9 4, 5 & 10
RR
 Acceptable z 4, 12.5 & 24 4, 9 & 20 4, 7 & 15
 Large z 7, 10 & 16 4, 6 & 9 3, 7 &15