Table 5.

Correlation tests in HFNT group.

	Mortality: HFNT group
	Coefficient value	Test-associated probability
Sex
Pearson chi-square	0.102	0.486
Phi	0.043	0.750
Cramer’s V	0.043	0.750
Contingency coefficient	0.043	0.750
Cardiovascular comorbidities
Pearson chi-square	0.016	0.609
Phi	0.017	0.899
Cramer’s V	0.017	0.899
Contingency coefficient	0.017	0.899
Metabolic comorbidities
Pearson chi-square	0.396	0.368
Phi	0.086	0.529
Cramer’s V	0.086	0.529
Contingency coefficient	0.085	0.529
Neurological comorbidities
Pearson chi-square	0.053	0.527
Phi	0.031	0.817
Cramer's V	0.031	0.817
Contingency Coefficient	0.031	0.817
Renal and hepatic comorbidities
Pearson Chi-Square	0.154	0.473
Phi	−0.053	0.694
Cramer’s V	0.053	0.694
Contingency coefficient	0.053	0.694
Oncological comorbidities
Pearson chi-square	2.745	0.097
Phi	−0.225	0.098
Cramer’s V	0.225	0.098
Contingency coefficient	0.220	0.098
Pulmonary comorbidities
Pearson chi-square	0.553	0.648
Phi	−0.101	0.457
Cramer’s V	0.101	0.457
Contingency coefficient	0.101	0.457
Tocilizumab therapy
Pearson chi-square	0.661	0.315
Phi	−0.111	0.416
Cramer’s V	0.111	0.416
Contingency coefficient	0.110	0.416
Remdesivir therapy
Pearson chi-square	4.424	0.038
Phi	−0.286	0.035
Cramer’s V	0.286	0.035
Contingency coefficient	0.275	0.035
Corticosteroid therapy
Pearson chi-square	0.208	0.474
Phi	−0.062	0.649
Cramer’s V	0.062	0.649
Contingency coefficient	0.062	0.649

HFNO, high-flow nasal oxygen therapy.