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Table 2 summary of the studies reported no significant effect of IVIG administration in COVID-19

From: Potential therapeutic approach of intravenous immunoglobulin against COVID-19

Studies suggesting against the use of IVIG

Type of Study

Number of Cases

Dosage of IVIG

Measurement of treatment success

Other therapies used in the course of disease

Comorbidities

Additional Explanations

Liu et al. [51]

Retrospective

109

–

Did not lower mortality rate in hospital stay (42 days)

Antivirals, glucocorticoid

Varied (diabetes, cerebrovascular disease, chronic kidney disease, etc.)

No significant effect of antivirus, glucocorticoid, or immunoglobulin treatment on survival was observed in patients with ARDS

Pei et al. [52]

Systematic review and meta-analysis

1142

Varied

Varied

Antivirals, antibiotics, glucocorticoid

Varied

intravenous immunoglobulin had a nonsignificant effect on mortality