a strong trendgold
The baseline serum LDH was also significantly correlated with length of stay (r = 0.43 p < 0.001). In univariate analysis, baseline serum LDH demonstrated a strong trend of association with increased risk of persistent chest radiograph abnormality but failed to reach statistical significance Hazard Ratio (HR) 1.001, 95% Confidence Interval [95%CI] (1.000–1.005) p = 0.078).