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Table 3 GRADEa quality of evidence

From: Association between residual teeth number in later life and incidence of dementia: A systematic review and meta-analysis

Outcomes

Incidence rate per 100,000 persons

Pooled ORb(95% CIc, p)

№ of participants (studies)

Quality of evidence

Comments

Low residual tooth number group

High residual tooth number group

Incidence of dementia

8415 per 100,000 (1209/14,366)

7729 per 100,000

(1123/14,528)

0.483 (0.315 to 0.740, p < 0.001)

28,894 (11 cohort studies)

VERY LOW

Random effects, I2 = 92.421%

  1. aGRADE = Grading of Recommendations Assessment, Development, and Evaluation; bOR = odds ratios; cCI = confidence intervals