Dental Calculus Is Associated with Death from Heart Infarction
Results of multiple logistic regression analysis of the relationship between death from heart infarction as a dependent variable and calculus index as independent variable with control for age, gender, dental visits, dental plaque, periodontal pockets, education, income, socioeconomic status, and pack-years of smoking.
OR (95% CI)
Death from heart infarction
Cox and Snell , final solution could not be determined; Nagelkerke .