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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,353 questions in 210 reviews · Neonatal

current versions
No studies 432 · 18.4%Ungraded 99 · 4.2%Very low 609 · 25.9%Low 737 · 31.3%Moderate 385 · 16.4%High 91 · 3.9%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Methylxanthine vs placebo or control
Failed apnea reduction · preterm infants with apnea
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.48 [0.33, 0.7]4 studies · 174 participantsLow
Methylxanthine vs placebo or control
Positive‐pressure ventilation after institution of treatment · preterm infants with apnea
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.34 [0.12, 0.97]5 studies · 192 participantsLow
Methylxanthine vs placebo or control
Supplemental oxygen at 36 weeks' postmenstrual age · preterm infants with apnea
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.72 [0.58, 0.89]1 study · 805 participantsModerate
Methylxanthine vs placebo or control
Death or major neurodevelopmental disability at 18 to 24 months · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.85 [0.73, 0.99]1 study · 676 participantsModerate
Methylxanthine vs placebo or control
Death at hospital discharge · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Methylxanthine vs placebo or control
Major neurodevelopmental disability at 18 to 24 months · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Methylxanthine vs placebo or control
Major neurodevelopmental disability at 18 to 24 months · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.85 [0.76, 0.96]1 study · 1869 participantsModerate
Methylxanthine vs placebo or control
a) Cerebral palsy or gross motor disability · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.54 [0.32, 0.92]1 study · 644 participantsModerate
Methylxanthine vs placebo or control
b) Developmental delay at 18 to 24 months · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.83 [0.68, 1.01]1 study · 612 participantsModerate
Methylxanthine vs placebo or control
Failed extubation · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.48 [0.32, 0.71]6 studies · 197 participantsModerate
Methylxanthine vs placebo or control
Supplemental oxygen at 36 weeks' postmenstrual age · preterm infants prior to extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.81 [0.7, 0.92]2 studies · 704 participantsModerate
Methylxanthine vs placebo or control
a) Cerebral palsy or gross motor disability · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.6 [0.41, 0.88]1 study · 1810 participantsModerate
Methylxanthine vs placebo or control
b) Developmental delay at 18 to 24 months · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.88 [0.78, 1]1 study · 1725 participantsModerate
Methylxanthine vs placebo or control
Any apneic episodes · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.31 [0.18, 0.52]4 studies · 167 participantsModerate
Methylxanthine vs placebo or control
Failed apnea reduction · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.48 [0.33, 0.7]4 studies · 174 participantsModerate
Methylxanthine vs placebo or control
Positive‐pressure ventilation after institution of treatment · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.61 [0.39, 0.96]9 studies · 373 participantsLow
Methylxanthine vs placebo or control
Supplemental oxygen at 36 weeks' postmenstrual age · preterm infants at risk of or with apnea; preterm infants undergoing extubation
Methylxanthine for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.77 [0.69, 0.85]4 studies · 2142 participantsHigh
CHG‐IPA vs PI
Proven catheter‐related bloodstream infection (CRBSI) expressed by the authors of the individual trials as absolute rates · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 1.32 [0.53, 3.25]2 studies · 352 participantsLow
CHG‐IPA vs CHG‐A
Premature central line removal, defined as number of central venous catheters (CVC) removed in the trial as deemed by the author as the source of infection (premature central line removal) · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 0.91 [0.26, 3.19]1 study · 106 participantsModerate
CHG‐IPA vs CHG‐A
Chemical burns or contact dermatitis, measured using a scoring system or by clinical judgement as described by the trial author during or after the application of antiseptic solutions (dermatitis) · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 0.98 [0.47, 2.03]1 study · 106 participantsModerate
CHG‐IPA vs CHG‐A
All‐cause mortality throughout the hospital admission of the participant · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
no estimate extractedNRNo studies
CHG‐IPA vs PI
Central line‐associated bloodstream infection (CLABSI) expressed using absolute rates of infants · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 1 [0.07, 15.08]1 study · 48 participantsVery low
CHG‐IPA vs PI
The proportion of infants or catheters with exit‐site infection, either microbiologically or clinically documented · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
no estimate extractedNRNo studies
CHG‐IPA vs PI
Premature central line removal, defined as number of central venous catheters (CVCs) removed in the trial as deemed by the author as the source of infection · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
no estimate extractedNRNo studies
CHG‐IPA vs PI
Chemical burns or contact dermatitis, measured using a scoring system or by clinical judgement as described by the trial author during or after the application of antiseptic solutions (dermatitis) · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 1.04 [0.24, 4.48]2 studies · 352 participantsVery low
CHG‐IPA vs PI
All‐cause mortality throughout the hospital admission of the participant (mortality) · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 0.88 [0.46, 1.68]1 study · 304 participantsLow
CHG‐IPA vs CHG‐A
Proven catheter‐related bloodstream infection (CRBSI) expressed by the authors of the individual trial as absolute rates · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 0.8 [0.34, 1.87]1 study · 106 participantsLow
CHG‐IPA vs CHG‐A
Central‐line associated bloodstream infection (CLABSI) expressed by the authors of the individual trial as absolute rates · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
RR 1.14 [0.34, 3.84]1 study · 106 participantsLow
CHG‐IPA vs CHG‐A
The proportion of infants or catheters with exit‐site infection, either microbiologically or clinically documented · neonates that require central line
Antiseptic solutions for skin preparation during central catheter insertion in neonates (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
All‐cause mortality prior to hospital discharge · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.86 [0.53, 1.38]5 studies · 723 participantsLow
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 18 to 24 months CA · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 3 to 5 years CA · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.79 [0.51, 1.24]1 study · 46 participantsVery low
High‐dose vs standard‐dose strategies
Mortality or major neurodevelopmental disability in children aged 18 to 24 months and 3 to 5 years CA · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Bronchopulmonary dysplasia/chronic lung disease (BPD) at 36 weeks' postmenstrual age · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.89 [0.61, 1.3]2 studies · 152 participantsVery low
High‐dose vs standard‐dose strategies
Side effects (tachycardia, agitation, or feed intolerance) leading to a reduction in dose or withholding of caffeine · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Duration of hospital stay (days) · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extracted1 study · 1 participantsVery low
High‐dose vs standard‐dose strategies
Seizures (clinically diagnosed; diagnosed by electroencephalography) · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
All‐cause mortality prior to hospital discharge · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.75 [0.4, 1.4]3 studies · 333 participantsVery low
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 18 to 24 months CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 18 to 24 months CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Mortality or major neurodevelopmental disability in children aged 18 to 24 months and 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Bronchopulmonary dysplasia/chronic lung disease (BPD) at 36 weeks' postmenstrual age · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.72 [0.47, 1.11]3 studies · 333 participantsVery low
High‐dose vs standard‐dose strategies
Side effects (tachycardia, agitation or feed intolerance) leading to a reduction in dose or withholding of caffeine: high‐loading and high‐maintenance dose standard‐loading and standard‐maintenance dose · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 1.92 [0.53, 6.9]2 studies · 150 participantsVery low
High‐dose vs standard‐dose strategies
Duration of hospital stay (days) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Seizures (clinically diagnosed; diagnosed by electroencephalography) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
All‐cause mortality prior to hospital discharge · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.75 [0.25, 2.3]1 study · 238 participantsVery low
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 18 to 24 months CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Mortality or major neurodevelopmental disability in children aged 18 to 24 months and 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies