Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

Ignored "IF": search terms need at least 3 characters.

579 questions · 601 findings · 56 reviews

No studies found 143 · 23.8%GRADE not reported 69 · 11.5%Very low 101 · 16.8%Low 142 · 23.6%Moderate 116 · 19.3%High 30 · 5%

Intermittent use of iron supplements vs placebo or no intervention

Iron deficiency (using ferritin concentrations) · children under 12 years of age

It is very uncertain whether intermittent use of iron supplements changes iron deficiency (using ferritin concentrations) compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Intermittent use of iron supplements vs placebo or no intervention

Iron status (ferritin concentrations in ng/mL) · children under 12 years of age

Intermittent use of iron supplements may leads to higher iron status (ferritin (μg/L) compared with placebo or no intervention (low certainty).

1 finding from 1 review

NIPPV vs NCPAP

Respiratory failure post extubation · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower respiratory failure postextubation compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).

1 finding from 1 review

NIPPV vs NCPAP

Gastrointestinal perforation · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in gastrointestinal perforation compared with nasal continuous positive airway pressure (NCPAP) (low certainty).

1 finding from 1 review

NIPPV vs NCPAP

Necrotising enterocolitis · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in necrotising enterocolitis compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).

1 finding from 1 review