“…Patients who had PDS completed by a community dentist before hospital admission, no documented PDS, history of systemic infection at the time of hospitalization, or self‐reported history of intravenous drug abuse (IVDA) were excluded from the study. The dominant effects of IVDA and systemic infections on 90‐day mortality as well as postsurgical valvular outcomes reported in the literature justifies their exclusion from the study 12 . Baseline patient characteristics collected included age, sex, race, ethnicity, body mass index (BMI) and relevant comorbidities including diabetes, hypertension, history of cerebrovascular accident (CVA), history of chronic heart failure (CHF), peripheral vascular disease (PVD), and cerebrovascular disease (CVD).…”