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

Table 6

Correlation matrix of significantly different parameters between groups of patients. Results of Pearson’s correlation analysis are presented as statistical significance () and with Pearson correlation coefficient ().

		Age	HTA	Anosmia	Ageusia	Dyspnea	RR	HR	SBP	DBP	PaO2	PaCO2	WBC	O2	NO	CAT	RTG outcome	Outcome	ICU (days)	Hospital (days)
Age
	HTA		0.569
		0.00
Anosmia		0.06	0.04
		0.49	0.63
Ageusia		0.05	0.03	0.969
		0.61	0.77	0.00
Dyspnea		0.180	0.13	0.12	0.10
		0.04	0.16	0.17	0.24
RR		0.402	0.367	0.02	0.02	0.434
		0.00	0.00	0.82	0.84	0.00
HR		0.20	0.20	−0.04	0.07	0.18	0.452
		0.06	0.06	0.75	0.53	0.10	0.00
SBP		0.646	0.598	0.21	0.235	0.257	0.493	0.340
		0.00	0.00	0.05	0.03	0.02	0.00	0.00
DBP		0.474	0.480	0.17	0.19	0.13	0.434	0.261	0.769
		0.00	0.00	0.12	0.09	0.25	0.00	0.02	0.00
PaO2		−0.02	−0.10	−0.11	−0.10	−0.16	−0.357	−0.20	−0.261	−0.257
		0.81	0.32	0.28	0.31	0.11	0.00	0.07	0.02	0.02
PaCO2		0.02	−0.09	−0.01	−0.03	−0.04	0.01	−0.15	0.06	0.00	0.08
		0.87	0.41	0.93	0.80	0.74	0.91	0.17	0.62	0.98	0.48
WBC		0.743	0.616	0.45	0.39	0.21	0.828	0.04	0.41	0.17	−0.41	−0.34
		0.01	0.04	0.00	0.00	0.54	0.04	0.94	0.41	0.74	0.37	0.51
O2		0.04	0.11	−0.10	−0.10	−0.04	0.00	0.05	0.06	−0.03	0.12	0.16	0.52
		0.67	0.24	0.31	0.32	0.65	0.98	0.65	0.58	0.76	0.28	0.16	0.13
NO		−0.226	−0.06	0.05	0.07	−0.15	−0.278	−0.10	−0.14	−0.02	0.229	−0.08	−0.27	−0.17
		0.02	0.50	0.62	0.45	0.10	0.01	0.37	0.21	0.82	0.03	0.48	0.43	0.07
CAT		0.08	−0.05	−0.03	−0.04	−0.07	0.13	0.18	0.03	0.08	−0.234	0.11	−0.30	0.15	−0.249
		0.40	0.60	0.71	0.71	0.47	0.25	0.11	0.77	0.47	0.02	0.30	0.37	0.12	0.01
RTG_outcome		0.349	0.18	−0.02	−0.03	0.341	0.354	0.15	0.406	0.267	−.314	−0.14	−0.39	−0.10	−0.265	0.18
		0.00	0.07	0.87	0.75	0.00	0.00	0.23	0.00	0.03	0.01	0.26	0.31	0.38	0.01	0.08
Outcome		0.341	0.255	0.08	0.09	0.246	0.432	0.418	0.415	0.365	−0.08	−0.06	0.65	−0.07	−0.09	0.05	0.32
		0.00	0.00	0.38	0.33	0.01	0.00	0.00	0.00	0.00	0.44	0.60	0.00	0.47	0.37	0.62	0.00
ICU (days)		0.231	0.09	−0.10	−0.11	0.08	0.367	0.274	0.409	0.21	−0.16	−0.04	−0.02	0.02	−.243	0.13	0.17	0.439
		0.01	0.30	0.25	0.23	0.38	0.00	0.01	0.00	0.06	0.13	0.73	0.96	0.83	0.01	0.15	0.08	0.00
Hospital (days)		0.287	0.13	−0.14	−0.16	0.10	0.19	0.06	0.248	0.06	0.06	−0.05	0.21	−0.08	−.185	−0.02	0.336	0.11	0.743
		0.00	0.17	0.12	0.07	0.28	0.08	0.61	0.02	0.58	0.59	0.64	0.53	0.42	0.05	0.82	0.00	0.22	0.00

Pearson’s correlation. RR: respiratory rate; HR: heart rate; SBP: systolic blood pressure; DBP: diastolic blood pressure; WBC: white blood cells; O2: superoxide anion radical; NO: nitric oxide; CAT: catalase; ICU: intensive care unit.