Outcome 50 years after surgical repair of pulmonary valve stenosis: a longitudinal cohort study.

While this aligns with previous reports identifying associated defects and RV outflow tract interventions as predictors of reintervention, the association did not reach statistical significance in our Joint Model analysis, likely due to limited sample size and low statistical power. 17 The discrepancy between Cox and Joint Model results likely reflects methodological differences: Cox regression evaluates baseline covariates only, whereas Joint Models incorporate longitudinal, time-varying measurements and their dynamic relationship with outcomes.

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