What do systematic reviews say?

Absorbable tacks vs nonabsorbable tacks only

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Low

Nonabsorbable tacks vs fibrin sealant

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  50 participants
  Low

Nonabsorbable tacks vs fibrin sealant

Nonabsorbable tacks showed no clear difference in seroma (30 days) compared with fibrin sealant (low certainty).

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  RR 0.93 [0.54, 1.61]
  2 studies · 88 participants
  Low

Nonabsorbable tacks vs fibrin sealant

Nonabsorbable tacks showed no clear difference in haematoma (30 days) compared with fibrin sealant (low certainty).

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  RR 0.75 [0.19, 2.91]
  1 study · 38 participants
  Low

Nonabsorbable tacks vs fibrin sealant

It is very uncertain whether nonabsorbable tacks changes superficial infection (30 days) compared with fibrin sealant (very low certainty).

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  RR 0.95 [0.52, 1.74]
  2 studies · 88 participants
  Very low

Absorbable tacks vs fibrin sealant

• Mesh fixation techniques in primary ventral or incisional hernia repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Low

Phaco‐AIT vs Phaco‐Trab

• Ab interno trabecular bypass surgery with Trabectome for open‐angle glaucoma 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 18 participants
  Very low

Mindfulness‐based interventions (MBIs) vs other treatments

• Mindfulness‐based interventions for substance use disorders 2021 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 523 participants
  Low
• Mindfulness‐based interventions for substance use disorders 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 409 participants
  Low

Mindfulness‐based interventions (MBIs) vs no treatment

• Mindfulness‐based interventions for substance use disorders 2021 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 248 participants
  Very low
• Mindfulness‐based interventions for substance use disorders 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 167 participants
  Very low

Salbutamol vs placebo/no treatment

• Salbutamol for transient tachypnea of the newborn 2021 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 338 participants
  Low

Pressure ulcer prevention care bundle vs usual care

Pressure ulcer prevention care bundle showed no clear difference in proportion of participants developing a new ulcer (28 days) compared with standard care (low certainty).

• Patient and lay carer education for preventing pressure ulceration in at‐risk populations 2021 · Cochrane Headline outcomes only
  HR 0.58 [0.25, 1.33]
  1 study · 1598 participants
  Low

Intervention not reported

• Humidification of indoor air for preventing or reducing dryness symptoms or upper respiratory infections in… 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 162 participants
  Very low

Circumcision devices vs standard surgical techniques

• Circumcision devices versus standard surgical techniques in adolescent and adult male circumcisions 2021 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 1430 participants
  Low

Short feeding interval vs long feeding interval

• Short versus long feeding interval for bolus feedings in very preterm infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 351 participants
  Low

Short feeding interval vs long feeding interval

• Short versus long feeding interval for bolus feedings in very preterm infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 350 participants
  Low

Short feeding interval vs long feeding interval

• Short versus long feeding interval for bolus feedings in very preterm infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 207 participants
  Very low

Short feeding interval vs long feeding interval

The review found no eligible studies for this question.

• Short versus long feeding interval for bolus feedings in very preterm infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

High vs standard volume of fortified human milk or preterm formula

• High versus standard volume enteral feeds to promote growth in preterm or low birth weight infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 271 participants
  Moderate

High vs standard volume of unfortified human milk or term formula

• High versus standard volume enteral feeds to promote growth in preterm or low birth weight infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 61 participants
  Moderate

Summary of Findings Table ‐ Low vs moderate‐high nasal continuous positive airway pressure levels

The review found no eligible studies for this question.

• Nasal continuous positive airway pressure levels for the prevention of morbidity and mortality in preterm infants 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found
• Nasal continuous positive airway pressure levels for the prevention of morbidity and mortality in preterm infants 2021 · Cochrane Headline outcomes only
  RR 1.1 [0.56, 2.17]
  1 study · 271 participants
  Very low