From:  Impact of oral health on COVID-19 outcomes in patients with pre-existing cardiovascular conditions: a questionnaire-based analysis of disease severity, recovery time, and C-reactive protein

Evaluation of the influence of oral health on COVID-19 severity among cardiac patients (primary outcome)

Oral health statusCOVID-19 severityp-value
SevereMild
Poor (N, %)21 (75%)7 (25%)< 0.001*
Good (N, %)9 (15.5%)49 (84.5%)

Group contrasts were evaluated utilizing the Chi-squared test for incidence comparisons. * A significance level of p < 0.05 was utilized as the criterion for statistical significance