Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,695 questions · 4,979 findings · 433 reviews

No studies found 998 · 20%GRADE not reported 1,140 · 22.9%Very low 1,024 · 20.6%Low 1,029 · 20.7%Moderate 636 · 12.8%High 152 · 3.1%

Any intermittent iron regimen (with or without other vitamins and minerals) vs daily regimen (with same vitamins and minerals)‐maternal outcomes

Maternal iron‐deficiency anaemia at term (Hb less than 110 g/L and at least 1 additional laboratory indicators at 37 weeks' gestation or more) · Women receiving supplements in pregnancy

It is very uncertain whether any intermittent iron regimen (with or without other vitamins and… changes maternal iron‐deficiency anaemia at term (Hb less than 110 g/L and… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes (very low certainty).

1 finding from 1 review

Any intermittent iron regimen (with or without other vitamins and minerals) vs daily regimen (with same vitamins and minerals)‐maternal outcomes

Maternal death · Women receiving supplements in pregnancy

Any intermittent iron regimen (with or without other vitamins and… led to lower maternal death (death while pregnant or within 42 days of… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes; GRADE not reported.

1 finding from 1 review

Intervention not reported

At least 50% of maximum pain relief over 4 to 6 h · adults with moderate or severe acute postoperative pain

The intervention leads to higher at least 50% of maximum pain relief over 4 to 6 h (high certainty).

1 finding from 1 review

Intervention not reported

Participants with at least 1 adverse event · adults with moderate or severe acute postoperative pain

The intervention showed no clear difference in participants with at least 1 adverse event (moderate certainty).

1 finding from 1 review

FAE vs placebo

PASI score (scale range from 0 to 72 (higher score indicates more severe psoriasis)) · psoriasis
1 finding from 1 review

FAE vs MTX

Common nuisance AEs (not leading to treatment discontinuation) · psoriasis

It is very uncertain whether FAE changes common nuisance AEs (not leading to treatment discontinuation) compared with MTX (very low certainty).

1 finding from 1 review

FAE vs MTX

PASI 50 · psoriasis

It is very uncertain whether FAE changes PASI 50 compared with MTX (very low certainty).

1 finding from 1 review

FAE vs MTX

Percentage of participants reaching PASI 75 · psoriasis

It is very uncertain whether FAE changes PASI 75 compared with MTX (very low certainty).

1 finding from 1 review

FAE vs MTX

PASI 90 · psoriasis

It is very uncertain whether FAE changes PASI 90 compared with MTX (very low certainty).

1 finding from 1 review

FAE vs placebo

Common nuisance AEs (not leading to treatment discontinuation) · psoriasis

FAE probably leads to higher common nuisance AEs (not leading to treatment discontinuation) compared with placebo (moderate certainty).

1 finding from 1 review

FAE vs MTX

PASI score (scale range from 0 to 72 (higher score indicates more severe psoriasis)) · psoriasis
1 finding from 1 review

FAE vs MTX

Withdrawals due to adverse events · psoriasis

It is very uncertain whether FAE changes AEs leading to treatment discontinuation compared with MTX (very low certainty).

1 finding from 1 review