What do systematic reviews say?

Etanercept vs placebo

• Anti‐TNF agents for paediatric psoriasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 211 participants
  Moderate

tDCS vs sham tDCS

• Transcranial direct current stimulation (tDCS) for idiopathic Parkinson's disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 25 participants
  Very low

tDCS vs sham tDCS

• Transcranial direct current stimulation (tDCS) for idiopathic Parkinson's disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 25 participants
  Very low

Intervention not reported

• Singing for adults with chronic obstructive pulmonary disease 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 58 participants
  Low

Spinal cord stimulation vs placebo

• Spinal cord stimulation for low back pain 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Moderate

Calf, quadriceps, and hamstring stretching vs no stretching

The review found no eligible studies for this question.

• Non‐drug therapies for the secondary prevention of lower limb muscle cramps 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Psychological therapies and/or group programmes vs no treatment or waiting list

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 54 participants
  Very low

Psychological therapies and/or group programmes vs active control

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 600 participants
  Very low

Methods of enhancing vision and/or group programmes vs active control

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 443 participants
  Very low

Multidisciplinary rehabilitation vs active control

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 375 participants
  Very low

Methods of enhancing vision vs no treatment or waiting list

The review found no eligible studies for this question.

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Multidisciplinary rehabilitation vs no treatment or waiting list

• Low vision rehabilitation for better quality of life in visually impaired adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 183 participants
  Very low

Intervention not reported

The review found no eligible studies for this question.

• Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Autologous hematopoietic stem cell transplantation following high‐dose chemotherapy for nonrhabdomyosarcoma soft… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Antibiotic eardrops (with or without a corticosteroid) vs oral antibiotics

The review found no eligible studies for this question.

• Interventions for children with ear discharge occurring at least two weeks following grommet (ventilation tube)… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found