marginally non-significantP = 0.493
In the fully adjusted Model 3, Q3 (HR = 0.88, 95% CI: 0.79–1.00.79.00, P = 0.043) exhibited a significantly negative association with all-cause mortality, whereas Q2 (HR = 0.90, 95% CI: 0.80–1.01, P = 0.070) showed a marginally non-significant negative trend, and Q4 (HR = 0.96, 95% CI: 0.85–1.08, P = 0.493) had no significant association.