TNNT2 and hydrops fetalis: Individuals with a subsequent increase in cTnT of more than 50% were associated with a greater risk of HF (aHR, 1.61; 95% CI, 1.32–1.97), and a decrease of more than 50% was associated with a lower risk of HF (aHR, 0.73; 95% CI, 0.54–0.97) compared with participants with 50% or less change.