Review: The association between severe COVID-19 and low platelet count: Evidence from 31 observational studies involving 7613 participants

Home/Review: The association between severe COVID-19 and low platelet count: Evidence from 31 observational studies involving 7613 participants

Review: The association between severe COVID-19 and low platelet count: Evidence from 31 observational studies involving 7613 participants

Review: The association between severe COVID-19 and low platelet count: Evidence from 31 observational studies involving 7613 participants

This meta-analysis found that individuals with either severe cases or non-surviving cases of COVID-19 had lower platelet counts compared to individuals with non-severe and surviving cases, suggesting that thrombocytopenia may be a risk factor for COVID-19 progressing into a more severe state. 

  • From the search (including articles up to 30 April 2020), authors found 31 studies with 7613 participants.
  • For the 25 studies reported the platelet count of both severe and non-severe COVID-19 patients, the pooled SMD revealed a lower platelet count in severe patients than non-severe patients (SMD=-0.36, 95% CI: -0.48~-0.23, I^2=56.9%)
  • Six of the 25 studies defined death as the severe state. The pooled SMD revealed a much lower platelet count in non-survivor COVID-19 patients than survivor patients (SMD=-0.60, 95% CI: -0.72~-0.47, I^2<0.1%)
  • Of note, abnormal platelet counts, especially thrombocytopenia, are common in the ICU and usually indicate organ dysfunction that lead to a disorder of homeostasis. Thus, it may not be a specific indicator for COVID-19 itself, but rather, of the overall worsening clinical status of a patient.

 

 

|2020-05-22T11:00:16-04:00May 21st, 2020|COVID-19 Literature|0 Comments

About the Author: Megan McHenry

Megan McHenry

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