Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

888 questions · 936 findings · 109 reviews

No studies found 196 · 20.9%GRADE not reported 88 · 9.4%Very low 226 · 24.1%Low 217 · 23.2%Moderate 152 · 16.2%High 57 · 6.1%

Antibiotic prophylaxis vs no antibiotic prophylaxis / standard care

Number of participants experiencing shunt infection after administration of intravenous antibiotic prophylaxis · CSF‐shunt infections

Antibiotic prophylaxis may leads to lower number of participants experiencing shunt infection after… compared with no antibiotic prophylaxis / standard care (low certainty).

1 finding from 1 review

Antibiotic prophylaxis vs no antibiotic prophylaxis / standard care

Number of participants experiencing shunt infection after administration of intrathecal antibiotic prophylaxis · CSF‐shunt infections

Antibiotic prophylaxis showed no clear difference in number of participants experiencing shunt infection after… compared with no antibiotic prophylaxis / standard care (low certainty).

1 finding from 1 review

Antibiotic prophylaxis vs no antibiotic prophylaxis / standard care

Number of participants experiencing shunt infection after implantation of antibiotic impregnated catheters · CSF‐shunt infections

It is very uncertain whether antibiotic prophylaxis changes number of participants experiencing shunt infection after… compared with no antibiotic prophylaxis / standard care (very low certainty).

1 finding from 1 review

Antibiotics vs placebo

Exacerbations · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics probably leads to lower number of people with one or more exacerbations WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

Annual Exacerbation Rates · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics probably leads to lower rate of exacerbation per patient/year WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

All‐cause mortality WMD of · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics showed no clear difference in all‐cause mortality WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

Serious adverse events WMD of · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics showed no clear difference in serious adverse events WMD of compared with placebo (moderate certainty).

1 finding from 1 review