approached significanceP = 0.079
Carriers displayed lower FMD, either absolute or relative, which was not statistically significant but approached significance (unpaired t ‐test) (FMD%: non‐carriers = 10.2 ± 1.9% vs. carriers = 8.1% ± 3.1%, P = 0.079, effect size: Cohen's d = 0.82; FMD abs : non‐carriers = 0.32 ± 0.06 mm vs. carriers = 0.26 ± 0.09 mm, P = 0.082, effect size: Cohen's d = 0.78).