Correlation of Surfactant Protein-D (SP-D) Serum Levels with ARDS Severity and Mortality in Covid-19 Patients in Indonesia

Alexander Agustama, Anna Surgean Veterini, Arie Utariani


Objective. The purpose of this research was to investigate the correlation between serum levels of surfactant protein-D (SPD) with acute respiratory distress syndrome (ARDS) severity and mortality in COVID-19. Materials and Method. This was a prospective cohort research study that included 76 patients in the period from July to October 2020. SP-D serum levels were taken upon admission to the hospital, the diagnosis of ARDS and its gradewere confirmed according to the WHO criteria, and then patients were observed for 28-day mortality.

Results. The mean SP-D serum levels from 76 patients were 39.33 ng/ml (SD±31.884 ng/ml). The statistical analysis showed that there was a significant correlation between SP-D serum levels and the severity of ARDS upon admission to the hospital (P=0.04, Spearman’s rank correlation coefficient (rs)=0.26), but the correlation between serum levels of SP-D and mortality was not statistically significant (P=0.89; rs=-0.016).

Conclusion. SP-D serum levels had a significant but weak correlation with ARDS severity, but were not significant for mortality.


Surfactant Protein-D; ARDS; Severity; Mortality; COVID-19

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