What do systematic reviews say?

Parenteral iron vs oral iron

• Iron therapy in anaemic adults without chronic kidney disease 2014 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 771 participants
  Very low

Intervention not reported

• Strategies to integrate oral health into primary care: a systematic review. 2023 All outcomes
  1 study reported an unfavourable outcome
  1 study
  GRADE not reported

[Dorsalis pedis] B‐mode ultrasound guidance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs Doppler assistance

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs near‐infrared laser guidance

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs modified B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] In‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Doppler assistance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Dynamic out‐of‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Axillary] B‐mode ultrasound guidance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Oblique‐axis in‐plane B‐mode ultrasound vs long‐axis in‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Oral protein‐based supplements versus placebo or no treatment for people with chronic kidney disease requiring dialysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  8 studies · 662 participants
  GRADE not reported

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

The review found no eligible studies for this question.

• Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
  No studies reported this outcome (planned secondary outcome not measured by any study in the review)
  0 studies
  No studies found

Complete cure and adverse events for terbinafine vs placebo

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Azoles vs placebo

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Griseofulvin vs azole

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Griseofulvin vs terbinafine

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Combination terbinafine plus azole vs terbinafine

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Azoles vs terbinafine

The review found no eligible studies for this question.

• Oral antifungal medication for toenail onychomycosis 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.

• Oral antivirals for preventing recurrent herpes simplex keratitis in people with corneal grafts 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found