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Table 2 Results of subgroup/exploratory analyses

From: Low risk of haematomas with intramuscular vaccines in anticoagulated patients: a systematic review with meta-analysis

Subgroup/Method Incidence (%) 95% Confidence interval I2
Moderate-Low risk of bias 0.44 0.00-1.60 0%
Moderate-High risk of bias 1.80 0.01-5.75 0%
Adding 0.5 to zero cells (primary approach) 0.46 0.00-1.53 0%
Adding 0.1 to zero cells 0.03 0.00-0.65 0%
No addition <0.001 0.00-0.25 0%