What do systematic reviews say?

IStent in combination with phacoemulsification vs phacoemulsification alone

The review found no eligible studies for this question.

• Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention diet vs control diet

The review found no eligible studies for this question.

• Dietary interventions for induction and maintenance of remission in inflammatory bowel disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention diet vs control diet

The review found no eligible studies for this question.

• Dietary interventions for induction and maintenance of remission in inflammatory bowel disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Speech and language therapy vs healthy lifestyle advice

Speech and language therapy may leads to higher health‐related quality of life compared with healthy lifestyle advice (low certainty).

• Speech and language therapy for management of chronic cough 2019 · Cochrane Headline outcomes only
  MD 1.53 [0.21, 2.85]
  1 study · 71 participants
  Low

Radix Sophorae flavescentis vs placebo or no intervention

The review found no eligible studies for this question.

• Radix Sophorae flavescentis versus no intervention or placebo for chronic hepatitis B 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Xiao Chai Hu Tang formula vs no intervention

The review found no eligible studies for this question.

• Xiao Chai Hu Tang, a herbal medicine, for chronic hepatitis B 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Radix Sophorae flavescentis vs other drugs or herbs

The review found no eligible studies for this question.

• Radix Sophorae flavescentis versus other drugs or herbs for chronic hepatitis B 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Acupuncture vs no intervention

The review found no eligible studies for this question.

• Acupuncture for chronic hepatitis B 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Animal‐assisted therapy (AAT (live animal)) vs soft toy cat

The review found no eligible studies for this question.

• Animal‐assisted therapy for dementia 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Flexibility exercise training vs aerobic exercise training

• Flexibility exercise training for adults with fibromyalgia 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 193 participants
  Very low

Surgical portosystemic shunts vs transjugular intrahepatic portosystemic shunt (TIPS)

• Surgical portosystemic shunts versus transjugular intrahepatic portosystemic shunt for variceal haemorrhage in people… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 210 participants
  GRADE not reported

Oral vs intramuscular vitamin B12

The review found no eligible studies for this question.

• Oral vitamin B₁₂ versus intramuscular vitamin B₁₂ for vitamin B₁₂ deficiency 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Acarbose vs no intervention

The review found no eligible studies for this question.

• Alpha‐glucosidase inhibitors for prevention or delay of type 2 diabetes mellitus and its associated complications in… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Acarbose vs placebo

The review found no eligible studies for this question.

• Alpha‐glucosidase inhibitors for prevention or delay of type 2 diabetes mellitus and its associated complications in… 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.

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

NMES and exercise vs exercise (with or without sham NMES)

• Neuromuscular electrostimulation for adults with chronic obstructive pulmonary disease 2018 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 122 participants
  Very low

NMES vs usual care with or without sham interventions

• Neuromuscular electrostimulation for adults with chronic obstructive pulmonary disease 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 72 participants
  Very low

Intervention vs no intervention or control intervention (control)

The review found no eligible studies for this question.

• Pharmacological interventions for acute hepatitis C infection 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Laparoscopic retroperitoneal adrenalectomy vs laparoscopic transperitoneal adrenalectomy

The review found no eligible studies for this question.

• Transperitoneal versus retroperitoneal laparoscopic adrenalectomy for adrenal tumours in adults 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Gemcitabine plus cisplatin vs S‐1 plus cisplatin

The review found no eligible studies for this question.

• Gemcitabine‐based chemotherapy for advanced biliary tract carcinomas 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found