Meta-analysis with zero-event studies: a comparative study with application to COVID-19 data

ConclusionsWe recommend the new method to handle the zero-event studies when there are few studies in a meta-analysis, or instead use the GLMM when the number of studies is large. The double-zero-event studies may be informative, and so we suggest not excluding them.
Source: Military Medical Research - Category: International Medicine & Public Health Source Type: research