Fig. 3From: Systematic review and meta-analysis of the safety of chloroquine and hydroxychloroquine from randomized controlled trials on malarial and non-malarial conditionsMeta-analysis for frequency of serious adverse events. Subgroup analysis according to the type of intervention. CQ, chloroquine; HCQ, hydroxychloroquine. Peto’s method was adopted and studies with both-armed zero-event were excluded from the analysis. Significance test(s) of OR = 1, overall, z = 0.16, p = 0.872Back to article page