Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

309 questions · 325 findings · 45 reviews · Acute Respiratory Infections

No studies found 38 · 11.7%GRADE not reported 31 · 9.5%Very low 54 · 16.6%Low 78 · 24%Moderate 106 · 32.6%High 18 · 5.5%

Live attenuated influenza vaccine vs placebo or no intervention

Number of children with time off from school during · healthy, community‐dwelling children younger than 16 years of age

It is very uncertain whether live attenuated influenza vaccine changes number of children with time off from school during compared with placebo or do nothing (very low certainty).

1 finding from 1 review

Live attenuated influenza vaccine vs placebo or no intervention

Number of parents having to take off work during · healthy, community‐dwelling children younger than 16 years of age

Live attenuated influenza vaccine showed no clear difference in number of parents having to take off work during compared with placebo or do nothing (low certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Death ‐ in all participants ‐ short term · people suspected to have meningococcal disease (adults and children)

Ceftriaxone showed no clear difference in death ‐ in all participants ‐ short term compared with long‐acting (oily) chloramphenicol (moderate certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Death ‐ in confirmed cases of meningococcal meningitis (subgroup) · people suspected to have meningococcal disease (adults and children)

Ceftriaxone showed no clear difference in death ‐ in confirmed cases of meningococcal meningitis (subgroup) compared with long‐acting (oily) chloramphenicol (moderate certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Clinical failure ‐ in all participants ‐ short term Composite clinical criteria10 · people suspected to have meningococcal disease (adults and children)

Ceftriaxone showed no clear difference in clinical failure ‐ in all participants ‐ short term Composite… compared with long‐acting (oily) chloramphenicol (moderate certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Clinical failure ‐ in confirmed cases of meningococcal meningitis (subgroup) Composite clinical criteria10 · people suspected to have meningococcal disease (adults and children)

Ceftriaxone showed no clear difference in clinical failure ‐ in confirmed cases of meningococcal meningitis… compared with long‐acting (oily) chloramphenicol (moderate certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Neurological sequelae ‐ in all participants‐ short term Clinical assessment11 · people suspected to have meningococcal disease (adults and children)

Ceftriaxone showed no clear difference in neurological sequelae ‐ in all participants‐ short term Clinical… compared with long‐acting (oily) chloramphenicol (low certainty).

1 finding from 1 review

Ceftriaxone vs long‐acting (oily) Chloramphenicol compared

Neurological sequelae ‐ in confirmed cases of meningococcal meningitis (subgroup) Clinical assesment11 · people suspected to have meningococcal disease (adults and children)

It is very uncertain whether ceftriaxone changes neurological sequelae ‐ in confirmed cases of meningococcal… compared with long‐acting (oily) chloramphenicol (very low certainty).

1 finding from 1 review

Intervention not reported

Acute exacerbations (number of exacerbations/person/year) · adults (> 18 years of age) with either COPD or recurrent acute exacerbations of chronic bronchitis

The intervention showed no clear difference in acute exacerbations (number of exacerbations/person/year) (low certainty).

1 finding from 1 review

Intervention not reported

Mortality (deaths during trial period) · adults (> 18 years of age) with either COPD or recurrent acute exacerbations of chronic bronchitis

It is very uncertain whether the intervention changes mortality (deaths during trial period) (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse events (number of adverse events/person/year) · adults (> 18 years of age) with either COPD or recurrent acute exacerbations of chronic bronchitis

The intervention showed no clear difference in adverse events (number of adverse events/person/year) (low certainty).

1 finding from 1 review