2.4. Variables
The demographic data (age, gender, BMI, smoking history, comorbidities),
Charlson Comorbidity Index (CCI),
Acute Physiology and Chronic Health Evaluation (APACHE) II, and
Sequential Organ Failure Assessment (SOFA) Scores, were recorded.
Disease characteristics for COVID-19 including the date for symptom
onset, RT-PCR results, radiological, and blood tests were collected.
Major events during ICU stay (presence of septic shock, presence of
cardiac injury, ICU acquired infections including VAP, mechanical
ventilation support, AKI, and renal replacement therapy [RRT]) were
recorded. The durations from symptom onset of the disease to the
development of NOAF were recorded. Lengths of ICU, and hospital stays,
and mortality were recorded.