Femoral arteriovenous concentration differences reveal metabolomic shifts in peripheral artery disease (PAD): A case-control study.

26 In contrast, the concentration difference for total MUFAs was increased in the PAD group, whereas the PUFA concentration difference showed a trend toward elevation.

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Although a subgroup analysis using participants with more closely matched fasting times showed that most findings were retained or remained directionally similar with borderline significance (data not shown), the results were not fully consistent, and the small sample size precludes definitive conclusions; therefore, differences in fasting duration must be considered a potential confounder in the interpretation of our results.

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