Table 1 Variables under study (n = 74)

Demographic Data

 Age (years)

 Sex (M; F)

Medical History (yes; no)

 Asthma

 Atrial fibrillation

 Autoimmune/inflammatory disease

 Chronic Interstitial lung disease

 Chronic kidney disease

 Chronic liver disease

 Chronic obstructive pulmonary disease (COPD)

 Diabetes mellitus

 Hematologic malignancy

 Human immunodeficiency virus

 Hypertension

 Ischemic cardiomyopathy

 Smoking (active)

 Solid organ tumor

Medication history (yes; no)

 5-alpha-reductase inhibitors

 Angiotensin converting enzyme inhibitor

 Anti-arrhythmic drugs

 Antibiotics before Emergency Department

 Anticoagulant therapy

 Anti-epileptic therapy

 Anti-platelets therapy

 Beta blocker

 Calcium channel antagonist

 Diuretics

 Drugs for psychiatric disorders

 Hydroxymethylglutaryl-CoA reductase inhibitors

 Immunosuppressant drugs

 Sartans

Reported Signs and Symptoms (yes; no)

 Arthralgia

 Asthenia

 Chest pain

 Cough

 Dyspnea

 Fever

 Gastrointestinal symptoms

 Headache

 Sore throat

 Syncope

Vital signs, ECG and Chest X-ray findings

 Glasgow coma scale, score

 Body temperature, Celsius

 Systolic blood pressure, mmHg

 Diastolic blood pressure, mmHg

 Heart rate, beats per min

 Sinus rhythm ̶ no. (%)

 Normal ST segment ̶ no. (%)

 Respiratory rate, breaths per min

 Oxygen supplementation ̶ no. (%)

 Non-Invasive Ventilation ̶ no. (%)

 Chest X-rays opacity ̶ no. (%)

 Chest X-rays pleural effusion ̶ no. (%)

Laboratory findings

 Total white blood cell count, 10³/μL

 Neutrophils, %

 Lymphocytes, %

 Monocytes, %

 Eosinophils, %

 Basophils, %

 Total red blood cells count, 10⁶/μL

 Haematocrit, %

 Haemoglobin, g/dL

 Mean corpuscular haemoglobin concentration, g/dL

 Mean corpuscular haemoglobin, pg

 Mean red blood cell volume, μm³

 Red blood cells distribution width,%

 Platelets, 10³/μL

 Glycaemia, mg/dL

 Creatinine, mg/dL

 Urea, mg/dL

 Sodium, mEq/L

 Total bilirubin, mg/dL

 C-reactive protein, mg/dL

Swab test for SARS-COV-2 (TARGET)

 Negative (yes; no)

 Positive (yes; no)