Study design
Between 01.06.2020 and 01.06.2021 , this retrospective cohort was
conducted in the internal medicine departments of two institutions.
Before the trial, the local institutional review board gave their
approval. Patients or their immediate family signed a written informed
consent form. Data were gathered from the hospital databases that
include the medical records of a total of 1700 adult patients
Our series consisted of 1700
COVID-19 patients (836 females, 49.2%; 864 males, 50.8%) with an
average age of 48.23 ± 16.68 (range: 18-93).
Clinical were gathered directly
from the institutional computerized patient database, including baseline
descriptives, prior medical records, date of admission, the treatment
process, and results of biochemical and hematological tests.
Patients under the age of eighteen and the presence of comorbidities
that could compromise immune functions, such as recent chemotherapy,
hematological malignancies, and autoimmune illness, were excluded from
the study.