Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

711 questions · 751 findings · 86 reviews

No studies found 171 · 22.8%GRADE not reported 61 · 8.1%Very low 192 · 25.6%Low 174 · 23.2%Moderate 108 · 14.4%High 45 · 6%

Cervical cerclage in combination with antibiotics and tocolytics vs cervical cerclage

Serious neonatal morbidity

It is very uncertain whether cervical cerclage in combination with antibiotics and tocolytics changes serious neonatal morbidity (Reported in Miller 2014 as 'composite… compared with cervical cerclage alone (very low certainty).

1 finding from 1 review

Cervical cerclage in combination with antibiotics and tocolytics vs cervical cerclage

Perinatal loss: all ‐ including miscarriages and stillbirth (Note: data not available for neonatal death)

It is very uncertain whether cervical cerclage in combination with antibiotics and tocolytics changes perinatal loss: all ‐ including miscarriages and stillbirth (Note:… compared with cervical cerclage alone (very low certainty).

1 finding from 1 review

Cervical cerclage in combination with antibiotics and tocolytics vs cervical cerclage

Preterm birth less than 34 weeks' gestation

It is very uncertain whether cervical cerclage in combination with antibiotics and tocolytics changes preterm birth < 34 completed weeks of pregnancy compared with cervical cerclage alone (very low certainty).

1 finding from 1 review

Antibiotic prophylaxis vs placebo, no treatment or surveillance only

Number of participants with symptomatic UTI · primary VUR

Antibiotic prophylaxis showed no clear difference in symptomatic UTI by 1 to 2 years: antibiotics versus no prophylaxis compared with surveillance or no treatment (low certainty).

2 findings from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Adverse events due to periodontal therapy · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes adverse events due to periodontal therapy compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Cardiovascular events · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all cardiovascular events compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All CVD-related death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all CVD-related death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All‐cause death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all-cause death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Antibiotic prophylaxis vs no treatment or placebo

Adverse effects of antibiotics (skin rash) · Women who had normal vaginal births

It is very uncertain whether routine antibiotic prophylaxis changes adverse effects of antibiotics (skin rash) compared with no treatment or placebo (very low certainty).

1 finding from 1 review

Implant surface smoothening added to systemic antibiotics + resective surgery + local antibiotics vs No implant surface smoothening (same surgical protocol)

Implant failure · People with at least one dental implant affected by perimplantitis

Implant surface smoothening added to systemic antibiotics +… showed no clear difference in implant failure compared with no implant surface smoothening (same surgical protocol); GRADE not reported.

1 finding from 1 review

Comparison 1: route of antibiotic vs usual care

Neonatal mortality ‐ oral + injectable antibiotics · neonates with sepsis

Comparison 1: route of antibiotic showed no clear difference in neonatal mortality ‐ oral + injectable antibiotics compared with standard care (moderate certainty).

1 finding from 1 review

Antibiotic prophylaxis before dental procedure vs placebo or no prophylaxis

Adverse effects of antibiotics · Adults or children at increased risk of bacterial endocarditis (pre-existing cardiac condition) undergoing an invasive dental procedure

The review found no eligible studies for this question.

1 finding from 1 review