Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,703 questions · 3,824 findings · 858 reviews

No studies found 573 · 15%GRADE not reported 383 · 10%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

Periodontal treatment (scaling and root planing, alone or with antimicrobials) vs Alternative (less intensive) periodontal treatment, alone or with placebo

Perinatal mortality · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes perinatal mortality (including fetal and neonatal deaths up to the… compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).

1 finding from 1 review

Open surgical exposure vs Closed surgical exposure

Patient response: moderate or severe pain at 1 day postoperative · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)

Open surgical exposure showed no clear difference in patient response: moderate or severe pain at 1 day postoperative compared with closed surgical exposure; GRADE not reported.

1 finding from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Interruptions to cancer treatment (unscheduled radiotherapy breaks of 5 or more days) · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in interruptions to cancer treatment (unscheduled radiotherapy breaks… compared with placebo; GRADE not reported.

1 finding from 1 review

Low‐molecular‐weight heparins or heparinoids vs unfractionated heparin

Death from all causes during treatment (range 6 days to 16 days) · acute ischaemic stroke

Low‐molecular‐weight heparins or heparinoids showed no clear difference in death from all causes during treatment (range 6 days to 16 days) compared with unfractionated heparin (low certainty).

1 finding from 1 review

Low‐molecular‐weight heparins or heparinoids vs unfractionated heparin

Deep vein thrombosis · acute ischaemic stroke

Low‐molecular‐weight heparins or heparinoids may leads to lower deep vein thrombosis during treatment period (range 6 days to 16 days) compared with unfractionated heparin (low certainty).

1 finding from 1 review

Low‐molecular‐weight heparins or heparinoids vs unfractionated heparin

Pulmonary embolism · acute ischaemic stroke

Low‐molecular‐weight heparins or heparinoids showed no clear difference in pulmonary embolism during treatment period (range 6 days to 16 days) compared with unfractionated heparin (low certainty).

1 finding from 1 review

Low‐molecular‐weight heparins or heparinoids vs unfractionated heparin

Symptomatic intracranial haemorrhage/haemorrhagic transformation of the cerebral infarct during treatment period (range 6 days to 16 days)⁹ · acute ischaemic stroke

Low‐molecular‐weight heparins or heparinoids showed no clear difference in symptomatic intracranial haemorrhage/haemorrhagic transformation of… compared with unfractionated heparin (low certainty).

1 finding from 1 review

Intervention not reported

Change in total calories (Kcal/day): at 12 months · adults and children with cystic fibrosis
1 finding from 1 review

Intervention not reported

Change in total protein (g/day): at 12 months · adults and children with cystic fibrosis
1 finding from 1 review

Intervention not reported

Change in total fat (g/day): at 12 months · adults and children with cystic fibrosis
1 finding from 1 review

Intervention not reported

Length of initial hospital stay (days) · people with stroke

The intervention probably leads to higher length of initial hospital stay (days) (moderate certainty).

1 finding from 1 review

Inhaled NO vs control

Mortality before hospital discharge · respiratory failure in preterm infants

Inhaled NO showed no clear difference in death before discharge ‐ Studies with entry before 3 days based on… compared with control (high certainty).

2 findings from 1 review

Inhaled NO vs control

Neurodevelopmental disability · respiratory failure in preterm infants

Inhaled NO showed no clear difference in neurodevelopmental disability ‐ Studies with entry after 3 days… compared with control (moderate certainty).

2 findings from 1 review

Inhaled NO vs control

Death or bronchopulmonary dysplasia · respiratory failure in preterm infants

Inhaled NO showed no clear difference in death or bronchopulmonary dysplasia at 36 weeks ‐ Studies with entry… compared with control (high certainty).

1 finding from 1 review

Inhaled NO vs control

Death or bronchopulmonary dysplasia at 36 weeks PMA · respiratory failure in preterm infants

Inhaled NO showed no clear difference in death or bronchopulmonary dysplasia at 36 weeks ‐ Studies with entry… compared with control (high certainty).

1 finding from 1 review

Inhaled NO vs control

Intraventricular haemorrhage, Papile grade 3/4 · respiratory failure in preterm infants

Inhaled NO showed no clear difference in intraventricular haemorrhage (grade 3 or 4) ‐ Studies with entry… compared with control (high certainty).

1 finding from 1 review