a trend toward significanceP = 0.144
Model 3, focusing on age and NT-proBNP with an interaction term, reported a non-significant intercept of −28.6551 ( P = 0.1584, 95% CI: −68.4712 to 11.1609), with age showing a trend toward significance (estimate: 0.4224, P = 0.144, 95% CI: −0.1443 to 0.9892).