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Table 1 Characteristics of included studies

From: The efficacy and safety of topical administration of tranexamic acid in spine surgery: a meta-analysis

Study Operation Cases (T/C) Mean age (T/C) Gender (F) Dosage Transfusion trigger
Krohn 2002 Lumbar surgery 16/14 51/54 9/9 0.5 g 8 g/dL
Liang 2016 PLIF 30/30 51.13/53.83 15/12 2 g 7 g/dL
Ren 2017 PLIF 50/50 55.2/58.7 20/19 1 g 7 g/dL
Xu 2017 PLIF 40/40 53.1/57.4 21/27 1 g 8 g/dL
  1. T tranexamic acid, C control, F female, PLIF posterior lumbar interbody fusion