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Table 2 Covariates associated with Alzheimer’s disease at end of follow-up with univariate, multivariable and sensitivity analysis of Cox regression analysis

From: Association between chronic periodontitis and the risk of Alzheimer’s disease: a retrospective, population-based, matched-cohort study

Variable Univariate analysis Multivariable analysis
  Crude HR 95% CI p value Adjusted HR 95% CI p value
1-year exclusion in a diagnosis of AD       
 Chronic periodontitis       
  Without Reference    Reference   
  With 1.301 1.012–1.673 0.0404 1.297 0.995–1.692 0.0547
10-year exclusion in a diagnosis of AD       
 Chronic periodontitis       
  Without Reference    Reference   
  With 1.364 1.079–1.725 0.0095 1.707 1.152–2.528 0.0077
  1. AD Alzheimer’s disease
  2. The multivariable analyses were adjusted for hypertension, hyperlipidaemia, chronic kidney disease, depression, stroke, traumatic brain injury, diabetes mellitus, Charlson comorbidity index score, urbanisation level