Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,518 questions in 135 reviews · Infectious Diseases

current versions
No studies 135 · 8.9%Ungraded 150 · 9.9%Very low 350 · 23.1%Low 420 · 27.7%Moderate 321 · 21.1%High 142 · 9.4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Cotrimoxazole vs furazolidone
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs furazolidone
Serious adverse events · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0 [0, 0]0 studies · 0 participantsUngraded
Cotrimoxazole vs furazolidone
Other adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Oral gentamicin vs nalidixic acid
Diarrhoea at · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.71 [0.98, 2.97]1 study · 79 participantsVery low
Oral gentamicin vs nalidixic acid
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Oral gentamicin vs nalidixic acid
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Antibiotic vs no drug or placebo
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Oral gentamicin vs nalidixic acid
Other adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Sulphonamides vs tetracycline
Diarrhoea at · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 7.68 [0.46, 128.12]1 study · 60 participantsVery low
Sulphonamides vs tetracycline
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Sulphonamides vs tetracycline
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Sulphonamides vs tetracycline
Other adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Antibiotic vs no drug or placebo
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Antibiotic vs no drug or placebo
Other adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.43 [0.06, 34.13]1 study · 94 participantsVery low
Fluoroquinolones vs beta‐lactams
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.03 [0.45, 2.37]6 studies · 686 participantsVery low
Fluoroquinolones vs beta‐lactams
Relapse ‐ All trials clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.91 [0.11, 7.55]3 studies · 357 participantsVery low
Fluoroquinolones vs beta‐lactams
Serious adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 10.9 [0.61, 194.82]1 study · 221 participantsVery low
Fluoroquinolones vs beta‐lactams
Adverse events leading to discontinuation of treatment · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.02 [0.27, 3.89]1 study · 127 participantsVery low