What do systematic reviews say?

Summary of findings table ‐ Convalescent plasma vs standard plasma

• Convalescent plasma for people with COVID‐19: a living systematic review 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 248 participants
  Very low

Summary of findings table ‐ Convalescent plasma vs standard plasma

The review found no eligible studies for this question.

• Convalescent plasma for people with COVID‐19: a living systematic review 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Convalescent plasma vs placebo or usual care

Summary of findings table ‐ Convalescent plasma showed no clear difference in grades 3 and 4 adverse events compared with placebo or standard care alone (low certainty).

• Convalescent plasma for people with COVID‐19: a living systematic review 2023 · Cochrane Headline outcomes only
  RR 1.29 [0.75, 2.19]
  1 study · 376 participants
  Low

Summary of findings table ‐ Convalescent plasma vs placebo or usual care

Summary of findings table ‐ Convalescent plasma showed no clear difference in grades 3 and 4 adverse events compared with placebo or standard care alone (low certainty).

• Convalescent plasma for people with COVID‐19: a living systematic review 2023 · Cochrane Headline outcomes only
  RR 1.17 [0.96, 1.42]
  6 studies · 2392 participants
  Low

Summary of findings table ‐ Convalescent plasma vs human immunoglobulin

The review found no eligible studies for this question.

• Convalescent plasma for people with COVID‐19: a living systematic review 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found