Identification of hypoxia- and mitochondria-related genes associated with recurrent spontaneous abortion: an integrative bioinformatics analysis and preliminary validation.

First, while BSG was significantly differentially expressed, TRAK1 did not reach statistical significance ( p = 0.4415), likely due to insufficient sample size ( n = 5 per group)—a factor that reduces statistical power.

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TRAK1 expression showed an increasing trend in the RSA group compared with the control group, though the difference was not statistically significant ( p = 0.4415; Fig. 7B ).

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