a strong trendp = 0.053
After multivariate adjustment, total SM concentration remained significantly associated with OS (HR = 0.49, 95% CI = 0.24–0.97, p = 0.04), while showing a strong trend towards statistical significance for PFS (HR = 0.49, 95% CI = 0.31–1.01, p = 0.053; Supplementary Fig. 3 ).