Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 5 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 2 · 40%Very low 0 · 0%Low 1 · 20%Moderate 1 · 20%High 1 · 20%

Edentulous (0 remaining teeth) vs 1-32 remaining teeth

All-cause mortality (ACM) · Adults (any age) with a known number of remaining teeth, followed prospectively in cohort studies

In prospective cohorts, the multivariable-adjusted HR for all-cause mortality in edentulous adults (0 teeth) vs adults with 1-32 teeth was 1.30 (95% CI 1.21 to 1.40; 7 studies, I2=20%); GRADE per-analysis ratings reported in Supplementary File 7 (not available in provided sources).

4 findings from 1 review
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Edentulous (0 remaining teeth) vs 20-32 remaining teeth

All-cause mortality (ACM) · Adults (any age) with a known number of remaining teeth, followed prospectively in cohort studies

In prospective cohorts, edentulous adults (0 teeth) had a higher cumulative incidence of all-cause mortality than adults with 20-32 teeth (RR 2.27, 95% CI 1.82 to 2.83; 8 cohort studies, I2=94%); GRADE per-analysis ratings reported in Supplementary File 7 (not available in provided sources).

1 finding from 1 review