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Forest plots of the impact on thrombocytopenia. (a) represents the fixed-effects model of the risk ratio (95% CI) of grade I–IV thrombocytopenia associated with CHM-containing versus non-CHM-containing regimens; (b) represents the fixed-effects model of the risk ratio (95% CI) of grade III-IV thrombocytopenia associated with CHM-containing versus non-CHM-containing regimens.
