Fig 1.
Amalgam filling cohort and non-amalgam filling cohort selection flowchart.
Table 1.
Demographic characteristics of amalgam filling and non-amalgam filling patients.
Table 2.
Incidence and hazard ratios of PD for amalgam filling patients compared with non-amalgam filling patients by demographic characteristics and comorbidities.
Table 3.
Univariate and multivariable hazard ratios of covariates for all-cause PD among amalgam filling patients.
Fig 2.
Kaplan-Meier model for estimating the PD-free survival probability of amalgam filling and non-amalgam filling patients.
Table 4.
Previous published works comparing the outcomes, particularly the incidence rate of PD between amalgam filling patients (AF) and non-amalgam filling patients (non-AF).