Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

136 questions · 139 findings · 26 reviews

No studies found 12 · 8.6%GRADE not reported 25 · 18%Very low 36 · 25.9%Low 43 · 30.9%Moderate 19 · 13.7%High 4 · 2.9%

IM injection vs IA injection

Improvement in lower limb perfusion: ABI · people with critical limb ischaemia

It is very uncertain whether IM injection changes improvement in lower limb perfusion: number of participants with… compared with IA injection (very low certainty).

1 finding from 1 review

IM injection vs IA injection

Improvement in lower limb perfusion: number of participants with improved TcO₂ reading · people with critical limb ischaemia

It is very uncertain whether IM injection changes improvement in lower limb perfusion: number of participants with… compared with IA injection (very low certainty).

1 finding from 1 review

Transfusion of RBCs of shorter vs longer storage duration

Mortality: in‐hospital mortality (within 7 days) · all conditions

It is very uncertain whether transfusion of RBCs of shorter changes mortality: in‐hospital mortality (within 7 days) compared with longer storage duration (very low certainty).

1 finding from 1 review

Transfusion of RBCs of shorter vs standard practice storage duration

Mortality: in‐hospital mortality (time points varied) · all conditions

Transfusion of RBCs of shorter showed no clear difference in mortality: in‐hospital mortality (time points varied) compared with standard practice storage duration (moderate certainty).

1 finding from 1 review

Transfusion of RBCs of shorter vs standard practice storage duration

Mortality: short‐term mortality (up to 30 days) ‐ neonates · all conditions

It is very uncertain whether transfusion of RBCs of shorter changes mortality: short‐term mortality (up to 30 days) ‐ neonates compared with standard practice storage duration (very low certainty).

1 finding from 1 review

Transfusion of RBCs of shorter vs standard practice storage duration

Mortality: short‐term mortality (up to 30 days) ‐ adults · all conditions

Transfusion of RBCs of shorter showed no clear difference in mortality: short‐term mortality (up to 30 days) ‐ adults compared with standard practice storage duration (moderate certainty).

1 finding from 1 review

Job-related or family-related stress and pessimistic attitude to life vs Lower stress and no pessimistic attitude

Periodontal disease and serum IL-1β IL-6 and cortisol · Patients with aggressive or chronic periodontitis at a university periodontology department

No correlation was reported between immunological markers cortisol and registered stress values; untreated aggressive periodontitis was accompanied by pessimistic attitude and elevated serum IL-6.

1 finding from 1 review

Perceived psychosocial stress vs No or lower perceived stress

GCF elastase activity and non-surgical periodontal treatment outcome (salivary cortisol, ICTP measured; no effect reported) · Adults with periodontitis needing non-surgical periodontal treatment

In one 6-month longitudinal study, patients under psychosocial stress had higher gingival crevicular fluid elastase and poorer outcomes after non-surgical periodontal therapy; not pooled (ungraded).

1 finding from 1 review