Predicting Severity and Intrahospital Mortality in COVID-19: The Place and Role of Oxidative Stress

Table 1

Basic demographic characteristics and presence of comorbidity in the study population (). Data are presented as frequency (%) from the total number of participants.

Variables	Degree of COVID19 infection ()
	Mild	Moderate	Severe	values
Gender (M/F)	11/6 (12.6%/15%)	27/13 (31%/32.5%)	49/21 (56.3%/52.5%)
Smoking (no/yes)	13/4 (11.8%/23.5%)	34/6 (30.9%/35.3%)	63/7 (57.3%/41.2%)
Comorbidity (no/yes)	7/10 (14.3%/12.8%)	24/16 (49%/20.5%)	18/52 (36.7%/66.7%)
Hypertension (no/yes)	8/9 (13.3%/13.4%)	29/11 (48.3%/16.4%)	23/47 (38.3%/70.1%)
Diabetes mellitus (no/yes)	11/6 (11.5%/19.4%)	34/6 (35.4%/19.4%)	51/19 (53.1%/61.3%)
Obesity (no/yes)	12/5 (11.3%/23.8%)	36/4 (34%/19%)	58/12 (54.7%/57.1%)
COPD (no/yes)	16/1 (13.2%/16.7%)	38/2 (31.4%/33.3%)	67/3 (55.4%/50%)
Malignant disease (no/yes)	16/1 (13%/25%)	39/1 (37.1%/25%)	68/2 (55.3%/50%)

Statistical significance was established by chi square test ( test) as follows: mild vs. moderate; mild vs. severe; moderate vs. severe.