What do systematic reviews say?

Oral hydromorphone vs placebo

The review found no eligible studies for this question.

• Hydromorphone for neuropathic pain in adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table for oral immunoglobulin vs control

It is very uncertain whether summary of findings table for oral immunoglobulin changes NEC‐related deaths during study period compared with control (very low certainty).

• Oral immunoglobulin for preventing necrotizing enterocolitis in preterm and low birth weight neonates 2016 · Cochrane Headline outcomes only
  RR 1.1 [0.47, 2.59]
  3 studies · 1840 participants
  Very low

Intervention not reported

The review found no eligible studies for this question.

• Single dose oral ibuprofen plus codeine for acute postoperative pain in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Single dose oral etoricoxib for acute postoperative pain in adults 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Intervention not reported

• Single dose oral dexibuprofen [S(+)‐ibuprofen] for acute postoperative pain in adults 2013 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Intervention not reported

It is very uncertain whether the intervention changes mortality (deaths during trial period) (very low certainty).

• Haemophilus influenzae oral vaccination for preventing acute exacerbations of chronic bronchitis and chronic… 2017 · Cochrane Headline outcomes only
  OR 1.62 [0.63, 4.12]
  5 studies · 518 participants
  Very low