Table 1.

Descriptive analysis of COVID-19 patients (test group).

Continuous variables	Mean ($\pm$ Standard deviation)	Categorical variables	Frequency (%)
Age (years) a	$63\pm 6.80$	Gender(male)	$78.6$
PO2/FiO2 admission a	$276.44\pm 54.98$	Obstructive sleep apnea	$14.3$
Sedimentation rate (mm; 1st hour)a	$70.67\pm 26.45$	Autoimune disease	$10.7$
Fibrinogen (mg/dl; clauss)a	$597.56\pm 134.24$	Diabetes Mellitus	$28.6$
D-Dimers (ng/mL)a	$352.78\pm 105.12$	Hypertension	$42.9$
Activated Partial thromboplastin time (seconds) a	$33.93\pm 3.23$	Dyslipidemia	$39.3$
Prothrombin time (seconds) a	$13.46\pm 1.10$	Chronic Pulmonary disease	$7.1$
Ferritin (ng/mL) a	$1715\pm \mathrm{466,79}$	Asthma	$3.6$
Reactive C protein (mg/L) a	$90.82\pm 40.90$	Smoking	$17.9$
Procalcitonin (ng/mL)a	$0.25\pm 0.21$	Rhinosinusitis	$10.7$
HbA1C (%)	$6.922\pm 1.49$	Obesity	$39.3$
Symptoms-to-audiogram (days)	$11\pm 4.24$	Previous chemotherapy	$7.1$
PO2/FIO2 audiogramb	$229.67\pm 85.79$	Dexamethasone treatment d	$92.7$
Length-of-stay (days) c	$11.56\pm 3.17$	Remdesivir treatmentd	$75$

^a- Measured at hospital admission.

^b- same day or most recent value from the audiogram day.

^c- from admission to hospital discharge.

^d- at the time of audiogram performance; Note: All values shown are valid percent and exclude missing values from the equation.