Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,678 questions · 4,859 findings · 283 reviews

No studies found 1,225 · 25.2%GRADE not reported 215 · 4.4%Very low 1,241 · 25.5%Low 1,210 · 24.9%Moderate 776 · 16%High 192 · 4%

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

Antibiotics vs placebo or no intervention

Laboratory‐confirmed leptospirosis · farmworkers, soldiers, and people in endemic areas

It is very uncertain whether summary of findings table ‐ Antibiotics changes laboratory‐confirmed leptospirosis compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

Clinical diagnosis of infection regardless of laboratory confirmed · farmworkers, soldiers, and people in endemic areas

Summary of findings table ‐ Antibiotics showed no clear difference in clinical diagnosis of infection regardless of laboratory confirmed compared with placebo or no intervention (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

Clinical diagnosis confirmed by laboratory diagnosis · farmworkers, soldiers, and people in endemic areas

Summary of findings table ‐ Antibiotics showed no clear difference in clinical diagnosis confirmed by laboratory diagnosis compared with placebo or no intervention (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

Non‐serious adverse events · farmworkers, soldiers, and people in endemic areas

It is very uncertain whether summary of findings table ‐ Antibiotics changes non‐serious adverse events compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

All‐cause mortality · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes all‐cause mortality compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

Adverse events considered non‐serious (penicillin versus cefotaxime) · people with leptospirosis

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

1 finding from 1 review

Antibiotics vs other antibiotics

Adverse events considered non‐serious (penicillin versus doxycycline) · people with leptospirosis

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

1 finding from 1 review

Antibiotics vs other antibiotics

Non‐serious adverse events Maximum · people with leptospirosis

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

1 finding from 1 review

Antibiotics vs placebo or no intervention

Adverse events considered non‐serious · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes adverse events considered non‐serious compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

All‐cause mortality (penicillin versus a cephalosporin (cefotaxime or ceftriaxone)) · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes all‐cause mortality (penicillin versus a cephalosporin (cefotaxime… compared with other antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

All‐cause mortality (penicillin versus doxycycline) · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes all‐cause mortality (penicillin versus doxycycline) compared with other antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

All‐cause mortality (a cephalosporin (cefotaxime) versus doxycycline) · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes all‐cause mortality (a cephalosporin (cefotaxime) versus doxycycline) compared with other antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs other antibiotics

Serious adverse events (nosocomial infection) (penicillin versus cefotaxime) · people with leptospirosis

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

1 finding from 1 review

Antibiotics vs other antibiotics

Serious adverse events (nosocomial infection) (penicillin versus doxycycline) · people with leptospirosis

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

1 finding from 1 review

Antibiotics vs other antibiotics

Serious adverse events (nosocomial infection) (doxycycline versus cefotaxime) · people with leptospirosis

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

1 finding from 1 review