The effect of nut consumption on markers of inflammation and endothelial function: a systematic review and meta-analysis of randomised controlled trials.

Borderline significant differences (P=0.05) were found when studies with a parallel design were compared with cross-over studies.

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14 40 54 59 Subgroup analyses found significant improvements in FMD only in those studies using walnuts, consistent with the EFSA report which only examined walnut consumption, although the test for subgroup differences in the present study did not reach statistical significance.

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