Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,296 questions · 1,330 findings · 157 reviews · Headline outcomes only

No studies found 297 · 22.3%GRADE not reported 88 · 6.6%Very low 327 · 24.6%Low 317 · 23.8%Moderate 239 · 18%High 62 · 4.7%

Antibiotics plus probiotics vs placebo or no intervention

Failure to induce clinical remission at end of study · people with active UC

It is very uncertain whether antibiotics plus probiotics changes failure to induce clinical remission at end of study compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

Clinical diagnosis of leptospirosis regardless of laboratory confirmation · farmworkers

It is very uncertain whether summary of findings table ‐ Antibiotics changes clinical diagnosis of leptospirosis regardless of laboratory… compared with other antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

Laboratory‐confirmed leptospirosis · farmworkers

It is very uncertain whether summary of findings table ‐ Antibiotics changes clinical diagnosis of leptospirosis confirmed by laboratory diagnosis compared with other antibiotics (very low certainty).

2 findings from 1 review

Antibiotics vs other antibiotics

Non‐serious adverse events · farmworkers

It is very uncertain whether summary of findings table ‐ Antibiotics changes non‐serious adverse events compared with other antibiotics (very low certainty).

1 finding from 1 review