Clinical-epidemiological Characterization of COVID-19 Disease in Hospitalized Older Adults

Design: Retrospective postauthorization study. Registry study. Setting: COVID Unit, "Perpetuo Socorro" Hospital of Albacete (Spain). Participants: Adults older than 70 years hospitalized for COVID-19 disease between 09/03/2020 and 20/04/2020. All patients will be included without exclussion criteria.

Measurements:

• Age, sex, residency.
• Functional assessment: Barthel index, Katz index, Functional Ambulation Classification.
• Cognitive assessment: Reisberg´s Global Deteriorating Scale.
• Comorbidity: Charlson index, disease count.
• Chronic medicines consumed.
• Disease related symptoms.
• Lab determinations: White cells, neutrophyl count, lymphocyte count, platelets, haemoglobin, INR, fibrinogen, D-Dimer, Ferritin, CRP, IL-6, urea, creatinin, AST, ALT, CK.
• Thorax X-ray findings: COVID affectation, severity, pleural effusion, heart failure signs, pneumothorax.
• Drugs used during hospitalization, number of days of treatment and total doses: Anakinra, Baricitinib, Glucocorticoids, Antivirals (Lopinavir/Ritonavir, Emtricitabina/Tenofovir), Azitromycin, Ceftriaxone, Hidroxychloroquin.
• Geriatric syndroms: Delirium, immobility, dysphagia, pressure ulcers.
• Outcomes: Mortality at discharge, institucionalización at discharge, length of stay, change in lab results, change in X-ray results, change in function at discharge.

Registry procedures: Medical chart review by trained Geriatricians, pharmachological chart review by expert Pharmacists, X-ray review by trained radiologists. All data will be included in an anonimyzed database for further analysis by investigators, and supervised by Principal Investigator.

Regulatory status: The protocol was approved by the Ethics review committee of Albacete (number 2020-21 from 20/04/2020) and by the Spanish Medicines Agency (AEMPS) who gave a "Postauthorization Study" classification (number PAS-BAR-2020-04. 20/04/2020).