1.5. Analysis.
Comparison 1 Duration of sensory block: perineural dexamethasone versus placebo, Outcome 5 Duration of sensory block: high/unclear versus low risk of bias subgroups.
Comparison 1 Duration of sensory block: perineural dexamethasone versus placebo, Outcome 5 Duration of sensory block: high/unclear versus low risk of bias subgroups.