What do systematic reviews say?

Summary of findings table ‐ Prothrombin complex concentrates vs fresh frozen plasma

It is very uncertain whether summary of findings table ‐ Prothrombin complex concentrates changes all serious adverse events compared with fresh frozen plasma (very low certainty).

• Haemostatic therapies for stroke due to acute, spontaneous intracerebral haemorrhage 2023 · Cochrane Headline outcomes only
  RR 0.27 [0.02, 3.74]
  1 study · 5 participants
  Very low

Intervention not reported

• Cervico‐thoracic or lumbar sympathectomy for neuropathic pain and complex regional pain syndrome 2013 · Cochrane Headline outcomes only
  no estimate extracted
  20 participants
  Very low

Oral iron sulphate vs oral iron hydroxide polymaltose complex

It is very uncertain whether oral iron sulphate changes serious adverse events ‐ active or inactive disease (14 days) compared with oral iron hydroxide polymaltose complex (very low certainty).

• Interventions for treating iron deficiency anaemia in inflammatory bowel disease 2021 · Cochrane Headline outcomes only
  RR 2.86 [0.32, 25.24]
  1 study · 41 participants
  Very low