Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

841 questions · 868 findings · 102 reviews

No studies found 276 · 31.8%GRADE not reported 111 · 12.8%Very low 197 · 22.7%Low 187 · 21.5%Moderate 88 · 10.1%High 9 · 1%

Active NRT vs placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white

End of treatment ‐ homozygous major · people who smoke

It is very uncertain whether active NRT changes end of treatment ‐ homozygous major compared with placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white (very low certainty).

1 finding from 1 review

Active NRT vs placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white

End of treatment ‐ heterozygous · people who smoke

It is very uncertain whether active NRT changes end of treatment ‐ heterozygous compared with placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white (very low certainty).

1 finding from 1 review

Active NRT vs placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white

End of treatment ‐ homozygous minor · people who smoke

Active NRT showed no clear difference in end of treatment ‐ homozygous minor compared with placebo ‐ DRD4 (exon 3 48 bp) ‐ non‐Hispanic white (low certainty).

1 finding from 1 review

Active NRT vs placebo ‐ rs1051730 ‐ non‐Hispanic white

Abstinence at end of treatment ‐ homozygous minor · people who smoke

Active NRT may leads to higher abstinence at end of treatment ‐ homozygous minor compared with placebo ‐ rs1051730 ‐ non‐Hispanic white (low certainty).

1 finding from 1 review

High‐treatment‐dose vitamin D (greater than 1000 IU/day) vs low‐treatment‐dose vitamin D (400 IU/day to 1000 IU/day)

Clinical relapse · people with inflammatory bowel disease

High‐treatment‐dose vitamin D (greater than 1000 IU/day) showed no clear difference in clinical relapse at end of study (52 weeks) compared with low‐treatment‐dose vitamin D (400 IU/day to 1000 IU/day) (low certainty).

1 finding from 1 review

High‐treatment‐dose vitamin D (greater than 1000 IU/day) vs low‐treatment‐dose vitamin D (400 IU/day to 1000 IU/day)

Withdrawals due to adverse events · people with inflammatory bowel disease

It is very uncertain whether high‐treatment‐dose vitamin D (greater than 1000 IU/day) changes withdrawals due to adverse events compared with low‐treatment‐dose vitamin D (400 IU/day to 1000 IU/day) (very low certainty).

1 finding from 1 review

Any antifungal intervention for the treatment of oral candidiasis vs Placebo, no treatment, or another active antifungal intervention

Length of hospital stay · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding from 1 review

Any antifungal intervention for the treatment of oral candidiasis vs Placebo, no treatment, or another active antifungal intervention

Cost of oral care · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding from 1 review

Any antifungal intervention for the treatment of oral candidiasis vs Placebo, no treatment, or another active antifungal intervention

Amount of analgesia · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding from 1 review

Any antifungal intervention for the treatment of oral candidiasis vs Placebo, no treatment, or another active antifungal intervention

Incidence of systemic infection · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding from 1 review