Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

973 questions · 1,024 findings · 106 reviews

No studies found 235 · 22.9%GRADE not reported 59 · 5.8%Very low 207 · 20.2%Low 271 · 26.5%Moderate 177 · 17.3%High 75 · 7.3%

Vitamin K antagonists vs low molecular weight heparin

Major bleeding · ambulatory patients with multiple myeloma receiving immunomodulatory agents

The review found no eligible studies for this question.

2 findings from 1 review

Vitamin K antagonists vs low molecular weight heparin

Minor bleeding · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether vitamin K antagonist (VKA) changes minor bleeding compared with low molecular weight heparin (LMWH) (very low certainty).

1 finding from 1 review

Vitamin K antagonists vs no VKA

Symptomatic catheter‐related thrombosis (up to 3 months) · people with cancer with thrombosis prophylaxis and central venous catheters

Vitamin K antagonist (VKA) showed no clear difference in symptomatic catheter‐related thrombosis (up to 3 months) compared with no VKA (low certainty).

1 finding from 1 review

Vitamin K antagonists vs no VKA

Symptomatic catheter‐related thrombosis measured as asymptomatic catheter‐related thrombosis (up to 3 months) · people with cancer with thrombosis prophylaxis and central venous catheters

It is very uncertain whether vitamin K antagonist (VKA) changes symptomatic catheter‐related thrombosis measured as asymptomatic… compared with no VKA (very low certainty).

1 finding from 1 review

Vitamin K antagonists vs no VKA

Antibiotic versus heparin only lock/flush solution: catheter‐related infections · people with cancer with thrombosis prophylaxis and central venous catheters

Vitamin K antagonist (VKA) showed no clear difference in catheter‐related infection (3 months) compared with no VKA (low certainty).

1 finding from 1 review

Topical vitamin D derivative vs placebo

Proportion of participants with adverse effects ‐ measured over 8 weeks · chronic palmoplantar pustulosis

Topical vitamin D derivative showed no clear difference in proportion of participants with adverse effects ‐ measured over 8… compared with placebo (moderate certainty).

1 finding from 1 review

Topical vitamin D derivative vs placebo

Proportion of participants cleared or almost cleared ‐ · chronic palmoplantar pustulosis

Topical vitamin D derivative may leads to higher proportion of participants cleared or almost cleared in the short… compared with placebo (low certainty).

1 finding from 1 review

Rice fortified with iron alone or in combination with other micronutrients vs unfortified rice (no micronutrients added)

Vitamin A deficiency · general population of all age groups (including pregnant women) from any country, over two years of age

Rice fortified with iron alone or in combination with other… showed no clear difference in vitamin A deficiency (as defined by the study authors) compared with unfortified rice (no micronutrients added) (low certainty).

1 finding from 1 review