disease 2019 (COVID-19) short-term mortality. Materials and Methods: This was a single-
center observational study with a historical cohort method at Bethesda Hospital Yogyakarta,
Indonesia. COVID-19 diagnosis was made using reverse transcriptase–polymerase chain
reaction on nasopharyngeal swabs. Patient data were obtained from digital medical records
and used for Charlson Comorbidity Index assessments. Inhospital mortality was monitored …