Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

64 questions · 65 findings · 10 reviews · Headline outcomes only

No studies found 19 · 29.2%GRADE not reported 4 · 6.2%Very low 10 · 15.4%Low 18 · 27.7%Moderate 14 · 21.5%High 0 · 0%

Macrolides vs tetracycline

Quality of life Drug resistance/microbial sensitivity Serious adverse events Lung function Hospitalisations Adverse events/side effects Number of participants colonised with P aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Quinolone vs tetracycline

Quality of life Drug resistance/microbial sensitivity Serious adverse events Lung function Hospitalisations Adverse events/side effects Number of participants colonised with P aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Doxycycline vs tetracycline

Treatment failure · adults with scrub typhus

It is very uncertain whether doxycycline changes treatment failure compared with tetracycline (very low certainty).

1 finding from 1 review

Doxycycline vs tetracycline

Resolution of fever within 48 hours · adults with scrub typhus

Doxycycline showed no clear difference in resolution of fever within 48 hours compared with tetracycline (low certainty).

1 finding from 1 review