Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

212 questions · 231 findings · 16 reviews

No studies found 50 · 21.6%GRADE not reported 58 · 25.1%Very low 41 · 17.7%Low 42 · 18.2%Moderate 25 · 10.8%High 15 · 6.5%

Low dose isotretinoin 0.3 mg/kg vs doxycycline

Participant‐assessed improvement in rosacea severity · Participants with rosacea

Low dose isotretinoin 0.3 mg/kg leads to higher participant‐assessed improvement in rosacea severity1 Good to… compared with doxycycline 50‐100 mg (high certainty).

1 finding from 1 review

Low dose isotretinoin 0.3 mg/kg vs doxycycline

Proportion of participants with adverse event · Participants with rosacea

Low dose isotretinoin 0.3 mg/kg showed no clear difference in proportion of participants with adverse event compared with doxycycline 50‐100 mg (high certainty).

1 finding from 1 review

Low dose isotretinoin 0.3 mg/kg vs doxycycline

Physician‐assessed improvement in rosacea severity · Participants with rosacea

Low dose isotretinoin 0.3 mg/kg leads to higher physician‐assessed improvement in rosacea severity1 Complete… compared with doxycycline 50‐100 mg (high certainty).

1 finding from 1 review

Low dose isotretinoin 0.3 mg/kg vs doxycycline

Assessment of erythema or telangiectasia Improved or healed · Participants with rosacea

Low dose isotretinoin 0.3 mg/kg showed no clear difference in assessment of erythema or telangiectasia Improved or healed compared with doxycycline 50‐100 mg (high certainty).

1 finding from 1 review

Azithromycin vs doxycycline

HRQOL ‐ not measured · Participants with rosacea

The review found no eligible studies for this question.

1 finding from 1 review

Azithromycin vs doxycycline

Participant‐assessed improvement in rosacea severity · Participants with rosacea

It is very uncertain whether azithromycin changes participant‐assessed improvement in rosacea severity compared with doxycycline 100 mg (very low certainty).

1 finding from 1 review

Azithromycin vs doxycycline

Proportion of participants with adverse event · Participants with rosacea

It is very uncertain whether azithromycin changes proportion of participants with adverse event compared with doxycycline 100 mg (very low certainty).

1 finding from 1 review

Azithromycin vs doxycycline

Physician‐assessed improvement in rosacea severity ‐ not measured · Participants with rosacea

The review found no eligible studies for this question.

1 finding from 1 review

Azithromycin vs doxycycline

Assessment of erythema or telangiectasia ‐ not measured · Participants with rosacea

The review found no eligible studies for this question.

1 finding from 1 review

Azithromycin vs doxycycline

Time needed until improvement of the skin lesions · Participants with rosacea

The review found no eligible studies for this question.

1 finding from 1 review

Tetracycline vs doxycycline

Bacteriological failure · Adults and children with cholera diarrhoea

Tetracycline probably leads to lower bacteriological failure compared with doxycycline (moderate certainty).

1 finding from 1 review