What do systematic reviews say?

TENS vs sham TENS

The review found no eligible studies for this question.

• Transcutaneous electrical nerve stimulation (TENS) for neuropathic pain in adults 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

The review found no eligible studies for this question.

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i vs placebo

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 34 participants
  Low

Group 3 Pulmonary hypertension due to lung disease ‐ PDE5i vs placebo

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 238 participants
  Moderate

Group 2 Pulmonary hypertension due to left‐heart disease ‐ PDE5i vs placebo

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 52 participants
  Low

Less intensive vs more intensive follow‐up after primary cancer treatment

• Follow‐up strategies following completion of primary cancer treatment in adult cancer survivors 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2742 participants
  Very low

High‐intensity vs moderate‐intensity exercise

• Exercise‐based cardiac rehabilitation in heart transplant recipients 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 16 participants
  Moderate

Summary of findings: Non‐intensive vs intensive follow‐up

• Follow‐up strategies for women treated for early breast cancer 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 639 participants
  High

Intensification of prophylactic therapy guided by colonoscopy vs intensification guided by clinical recurrence

The review found no eligible studies for this question.

• Colonoscopy‐guided therapy for the prevention of post‐operative recurrence of Crohn’s disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Ultra‐radical (extensive) surgery vs surgery

The review found no eligible studies for this question.

• Ultra‐radical (extensive) surgery versus standard surgery for the primary cytoreduction of advanced epithelial ovarian… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo, on combination therapy

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 267 participants
  Moderate

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs ERA

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 25 participants
  Low

Low intensity ES plus PFMT vs maximal intensity ES plus PFMT

The review found no eligible studies for this question.

• Electrical stimulation with non‐implanted devices for stress urinary incontinence in women 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Induced hypertension vs placebo or no intervention

• Interventions for altering blood pressure in people with acute subarachnoid haemorrhage 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Very low

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 163 participants
  GRADE not reported

Antihypertensive agent vs placebo

The review found no eligible studies for this question.

• Pharmacological interventions for asymptomatic carotid stenosis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

TENS vs sham TENS

The review found no eligible studies for this question.

• Conservative interventions for treating functional daytime urinary incontinence in children 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intensive glycaemic control vs conventional glucose control

• Intensive glucose control versus conventional glucose control for type 1 diabetes mellitus 2014 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1441 participants
  Moderate

Summary of findings table for metformin plus intensive diet and exercise vs intensive diet and exercise

The review found no eligible studies for this question.

• Metformin for prevention or delay of type 2 diabetes mellitus and its associated complications in persons at increased… 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care

• Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with preserved… 2021 · Cochrane Headline outcomes only
  no estimate extracted
  118 participants
  High