nominally significantp=0.034
SLE status was significantly associated with reduced XCI-skew in 40–49 years (p=9.4×10 −4 ) and 50–59 years (p=9.8×10 −4 ), after Bonferroni correction (alpha=0.0125), and nominally significant in the over 60 years group (p=0.034; online supplemental figure S1 ).