Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

320 questions · 333 findings · 159 reviews

No studies found 104 · 31.2%GRADE not reported 44 · 13.2%Very low 66 · 19.8%Low 57 · 17.1%Moderate 45 · 13.5%High 17 · 5.1%

Low‐dose computed tomography (LDCT) screening vs no LDCT screening

Health‐related quality of life ‐ anxiety Time point: 10 months to 5 years from randomisation Measured by different scales · healthy adults

Low‐dose computed tomography (LDCT) screening showed no clear difference in health‐related quality of life ‐ anxiety Time point: 10 months to 5… compared with no LDCT screening (low certainty).

1 finding from 1 review

Low‐level laser therapy vs placebo

QoL · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review

Reactive gel surfaces on operating tables followed by foam surfaces on ward beds vs alternating pressure (active) air surfaces on operating tables and subsequently on ward beds

Health‐related quality of life · preventing pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Low maternal education (<=6 years of schooling) vs Higher maternal education (>6 years)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Lower maternal education was associated with poor OHRQoL (OR 1.12, 95% CI 1.00-1.23; 4 studies; high heterogeneity; CI lower bound at the null; ungraded).

1 finding from 1 review

Dental cavity liner (e.g. calcium hydroxide, glass ionomer, resin-modified glass ionomer, or flowable composite) placed under the restoration vs No cavity liner or a different liner material

Oral health-related quality of life · Patients with deep caries lesions in mature or immature permanent (posterior) teeth, with no symptoms or reversible pulpitis

No included study reported oral health-related quality of life (a planned outcome), so no evidence is available.

1 finding from 1 review