of borderline significanceP = 0.08
The association between creatinine-based eGFR with LVEF in PIVUS and ULSAM was similar to cystatin C-based eGFR adjusted for age and sex but of borderline significance (multivariable regression coefficient for 1 SD increase of LVEF 0.07 [95% CI −0.07 to 0.14, P = 0.08] in PIVUS and 0.09 [95% CI −0.01 to 0.19, P = 0.08] in ULSAM).