a nonsignificant trendp = 0.082
Compared with the high group, the medium–low (HR: 0.58, 95% CI: 0.43–0.79, p < 0.001), and low (HR: 0.61, 95% CI: 0.44–0.84, p = 0.003) groups demonstrated significantly lower 28‐day mortality risk, while the medium–high group showed a nonsignificant trend toward reduced risk (HR: 0.76, 95% CI: 0.55–1.04, p = 0.082).