Risk factors for persistent abnormality on chest radiographs at 12-weeks post hospitalisation with PCR confirmed COVID-19.

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).

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