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.

Population

Intervention or exposure

Comparison

Outcome

Any field or review title

Field or topic

Source

Review versions

303 questions in 64 reviews · Hepato-Biliary

current versions

No studies 303 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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.

Question	Effect	Evidence	Status / GRADE
Intervention NR Clinically apparent hepatitis A (live attenuated HAV vaccines) low risk of bias Dienstag 1999 · patients with preventing hepatitis A. Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane	no estimate extracted	NR	No studies
Intervention NR Clinically apparent hepatitis A (Dose of live attenuated HAV vaccine, titre >= TCID50 ) low risk of bias Dienstag 1999 · patients with preventing hepatitis A. Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane	no estimate extracted	NR	No studies
Intervention NR Clinically apparent hepatitis A (Dose of live attenuated HAV vaccine, titre < TCID50 ) low risk of bias Dienstag 1999 · patients with preventing hepatitis A. Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane	no estimate extracted	NR	No studies