What do systematic reviews say?

30° 3‐hourly tilt vs 90° tilt

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

30° 3‐hourly tilt vs 90° tilt

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 213 participants
  GRADE not reported

2‐hourly repositioning vs 4‐hourly repositioning

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

2‐hourly repositioning vs 4‐hourly repositioning

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

2‐hourly repositioning vs 4‐hourly repositioning

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

2‐hourly repositioning vs 4‐hourly repositioning

2‐hourly repositioning led to higher costs compared with 4‐hourly repositioning; GRADE not reported.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  OR 4
  1 study · 967 participants
  GRADE not reported

2‐hourly repositioning vs 4‐hourly repositioning

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

30° 3‐hourly tilt vs 90° tilt

It is very uncertain whether 30° 3‐hourly tilt changes pressure injury (stages 1 to 4) Short‐term compared with 90° tilt (very low certainty).

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  RR 0.62 [0.1, 3.97]
  2 studies · 252 participants
  Very low

30° 3‐hourly tilt vs 90° tilt

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

30° 3‐hourly tilt vs 90° tilt

The review found no eligible studies for this question.

• Repositioning for pressure injury prevention in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oral nutritional supplements vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found
• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  RR 0.8 [0.42, 1.53]
  1 study · 53 participants
  Very low

Arginine, glutamine and β‐hydroxy‐β‐methylbutyrate supplement vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Arginine, glutamine and β‐hydroxy‐β‐methylbutyrate supplement vs placebo

It is very uncertain whether arginine, glutamine and β‐hydroxy‐β‐methylbutyrate supplement changes development of any new foot ulcers compared with placebo (very low certainty).

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  RR 1.04
  1 study · 270 participants
  Very low

Arginine, glutamine and β‐hydroxy‐β‐methylbutyrate supplement vs placebo

It is very uncertain whether arginine, glutamine and β‐hydroxy‐β‐methylbutyrate supplement changes amputation rate compared with placebo (very low certainty).

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  RR 0.66 [0.16, 2.69]
  1 study · 270 participants
  Very low

220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

It is very uncertain whether 220 mg zinc sulphate supplement containing 50 mg elemental zinc changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Very low
• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Very low
• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Very low

220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

The review found no eligible studies for this question.

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

250 mg magnesium oxide supplement vs placebo

It is very uncertain whether 250 mg magnesium oxide supplement changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 70 participants
  Very low
• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 70 participants
  Very low
• Nutritional interventions for treating foot ulcers in people with diabetes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 70 participants
  Very low