What do systematic reviews say?

Intervention not reported

The review found no eligible studies for this question.

• Methods to decrease blood loss during liver resection: a network meta‐analysis 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Slow passive expiration vs control

• Chest physiotherapy for acute bronchiolitis in paediatric patients between 0 and 24 months old 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 71 participants
  Low

Lower vs higher oxygen concentrations titrated to target oxygen saturations during resuscitation of preterm infants at birth

Lower showed no clear difference in intubation in the delivery room compared with higher oxygen concentrations titrated to target oxygen saturations… (low certainty).

• Lower versus higher oxygen concentrations titrated to target oxygen saturations during resuscitation of preterm… 2018 · Cochrane Headline outcomes only
  RR 0.98 [0.82, 1.18]
  9 studies · 875 participants
  Low

Lower genital tract infection screening vs No screening

Lower genital tract infection screening probably leads to lower preterm low birthweight (below or equal 2500 g) compared with no screening (moderate certainty).

• Antenatal lower genital tract infection screening and treatment programs for preventing preterm delivery 2015 · Cochrane Headline outcomes only
  RR 0.48 [0.34, 0.66]
  1 study · 4155 participants
  Moderate

Higher blood flow vs standard blood flow

The review found no eligible studies for this question.

• Non‐pharmacological interventions for preventing clotting of extracorporeal circuits during continuous renal… 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The intervention may leads to higher IMPORTANT RECOVERY (low certainty).

• Individual recovery expectations and prognosis of outcomes in non‐specific low back pain: prognostic factor review 2019 · Cochrane Headline outcomes only
  OR 1.89 [1.49, 2.41]
  6 studies · 7265 participants
  Low

Very high protein vs low protein intake (restricted to studies meeting all a priori inclusion criteria)

The review found no eligible studies for this question.

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Very high protein vs low protein intake (restricted to studies meeting all a priori inclusion criteria)

The review found no eligible studies for this question.

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Very high protein vs low protein intake (restricted to studies meeting all a priori inclusion criteria)

The review found no eligible studies for this question.

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Very high protein vs low protein intake (restricted to studies meeting all a priori inclusion criteria)

The review found no eligible studies for this question.

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Very high protein vs low protein intake (restricted to studies meeting all a priori inclusion criteria)

The review found no eligible studies for this question.

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Planned early birth vs expectant management

Planned early delivery showed no clear difference in major neonatal morbidity one or more of the following: hypoxic… compared with expectant management (low certainty).

• Planned early delivery versus expectant management of the term suspected compromised baby for improving outcomes 2015 · Cochrane Headline outcomes only
  RR 0.15 [0.01, 2.81]
  1 study · 459 participants
  Low

Planned early birth vs expectant management

Planned early delivery showed no clear difference in significant maternal morbidity one or more of the following:… compared with expectant management (low certainty).

• Planned early delivery versus expectant management of the term suspected compromised baby for improving outcomes 2015 · Cochrane Headline outcomes only
  RR 0.92 [0.38, 2.22]
  1 study · 459 participants
  Low

Intervention not reported

• Heated insufflation with or without humidification for laparoscopic abdominal surgery 2016 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 277 participants
  Moderate

Primary‐level worker‐led collaborative care vs usual care

Primary‐level worker‐led collaborative care showed no clear difference in prevalence of CMD ‐ intermediate term (1 to 6 months post… compared with usual care (low certainty).

• Primary‐level worker interventions for the care of people living with mental disorders and distress in low‐ and… 2021 · Cochrane Headline outcomes only
  RR 0.57 [0.32, 1.01]
  2 studies · 2820 participants
  Low

Low‐cavity forceps vs any vacuum cup

It is very uncertain whether low‐cavity forceps changes failed delivery with allocated instrument (primary) compared with any vacuum cup (very low certainty).

• Instruments for assisted vaginal birth 2021 · Cochrane Headline outcomes only
  RR 0.26 [0.09, 0.76]
  2 studies · 218 participants
  Very low

Lipid‐lowering agent vs placebo or no treatment

Lipid‐lowering agent showed no clear difference in ipsilateral major or disabling stroke (only reported for two… compared with placebo or no treatment (low certainty).

• Pharmacological interventions for asymptomatic carotid stenosis 2023 · Cochrane Headline outcomes only
  RR 0.36 [0.09, 1.53]
  5 studies · 2235 participants
  Low

Lipid‐lowering agent vs placebo or no treatment

Lipid‐lowering agent showed no clear difference in stroke‐related mortality (only reported for one study: CT scan, MRI… compared with placebo or no treatment (low certainty).

• Pharmacological interventions for asymptomatic carotid stenosis 2023 · Cochrane Headline outcomes only
  RR 0.25 [0.03, 2.29]
  2 studies · 1366 participants
  Low

Lipid‐lowering agent vs placebo or no treatment

Lipid‐lowering agent showed no clear difference in adverse events (only reported for two studies: one study used CT… compared with placebo or no treatment (low certainty).

• Pharmacological interventions for asymptomatic carotid stenosis 2023 · Cochrane Headline outcomes only
  RR 0.76 [0.53, 1.1]
  7 studies · 3726 participants
  Low

Very high protein vs high protein intake (restricted to studies meeting all a priori inclusion criteria)

• Higher versus lower protein intake in formula‐fed low birth weight infants 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 77 participants
  Moderate