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Table 3 Subgroup analysis for the hemoglobin drop

From: Comparison of the effectiveness and safety of topical versus intravenous tranexamic acid in primary total knee arthroplasty: a meta-analysis of randomized controlled trials

Outcome or subgroup Studies Effect estimate
   χ 2 I 2(%) MD 95% CI P value
Non-computer navigated TKR 4 190.77 98 0.31 −1.26,1.89 0.7
High score RCT 3 193.26 97 0.11 −0.89,1.11 0.83