Efficacy of tranexamic acid in reducing blood loss in posterior lumbar spine surgery for degenerative spinal stenosis with instability: a retrospective case control study.

BMC Surg · 2011 · PMC3234174 · PMID 22047046

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more or less significantno p-value reported

The heterogeneity of this study population makes it difficult to compare the results because these procedures entailed more or less significant blood losses.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.