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What do systematic reviews say?

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Evidence found and GRADE certainty

839 questions · 881 findings · 73 reviews

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No studies found 246 · 27.9%GRADE not reported 156 · 17.7%Very low 219 · 24.9%Low 136 · 15.4%Moderate 90 · 10.2%High 34 · 3.9%

Curcumin vs placebo

Relapse at 12 months Clinical Disease Activty Index more than 42 · Maintenance of remission in ulcerative colitis

Curcumin showed no clear difference in relapse at 12 months Clinical Disease Activty Index more than 42 compared with placebo (low certainty).

1 finding from 1 review

Summary of findings table ‐ mesh repair vs non‐mesh repair

Surgical site infection · adult patients with incarcerated or strangulated groin hernia

It is very uncertain whether summary of findings table ‐ mesh repair changes surgical site infections within 30 days of repair compared with non‐mesh repair (very low certainty).

1 finding from 1 review

Summary of findings table ‐ mesh repair vs non‐mesh repair

Mortality within 30 days of repair · adult patients with incarcerated or strangulated groin hernia

It is very uncertain whether summary of findings table ‐ mesh repair changes mortality within 30 days of repair compared with non‐mesh repair (very low certainty).

1 finding from 1 review

Summary of findings table ‐ mesh repair vs non‐mesh repair

Clinical recurrence or reoperation for recurrence within one year of repair · adult patients with incarcerated or strangulated groin hernia

It is very uncertain whether summary of findings table ‐ mesh repair changes clinical recurrence or reoperation for recurrence within one year of… compared with non‐mesh repair (very low certainty).

1 finding from 1 review

Psychological interventions vs usual care

Proportion of wounds healed · adults with diabetes with current or previous foot ulceration

It is very uncertain whether psychological intervention changes proportion of wounds completely healed at 3 months compared with standard care (very low certainty).

2 findings from 1 review

Psychological interventions vs usual care

Number of foot ulcer recurrences · adults with diabetes with current or previous foot ulceration

It is very uncertain whether psychological intervention changes number of foot ulcer recurrences at 1 year compared with standard care (very low certainty).

2 findings from 1 review

Psychological interventions vs Other Psychological Interventions

Proportion of wounds healed · adults with diabetes with current or previous foot ulceration

It is very uncertain whether psychological intervention changes proportion of wounds completely healed at 3 months compared with another psychological intervention (very low certainty).

1 finding from 1 review