. 2021 Feb 3;16(3):158–164. doi: 10.1016/j.joto.2021.01.005

Table 2.

Descriptive analysis of Primary care patients (control group) and comparison with COVID-19 sample (test group).

Variable	Control group Primary care (mean + standard deviation for age)	Test group COVID-19 Unit (mean + standard deviation for age)	p value (1) (for differences between groups)
Gender (male)	$59,4$ %	$78.6 %$	$0.111$
Age (years)	$56.03 \pm 9.28$	$63 \pm 6.80$	$0.431$
Obstructive sleep apnea	$3.1$ %	$14.3 %$	$0.119$
Autoimune disease	$6.3$ %	$10.7 %$	$0.533$
Diabetes Mellitus	$9.4 %$	$14.3 %$	$0.055$
Hypertension	$40.6 %$	$42.9 %$	$0.861$
Dyslipidemia	$37.5$ %	$39.3 %$	$0.887$
Chronic Pulmonary disease	$9.4$ %	$7.1 %$	$0.755$
Asthma	$0 %$	$3.6 %$	$0.467$
Smoking	$28.1 %$	$17.9 %$	$0.348$
Rhinosinusitis	$9.4 %$	$10.7 %$	$0.863$
Obesity	$25 %$	$39.3 %$	$0.235$
Previous chemotherapy	$3.1 %$	$7.1 %$	$0.594$

1- Independent t-test used for comparing age between groups and Chi-Square/Fisher’s test for the other variables. Note: All values shown are valid percent and exclude missing values from the equation.