Table 2.

Univariate and multivariate analyses of OR in developing primary outcome requiring oxygen therapy for clinical variables and DMB therapy

Unadjusted univariate analysis				Adjusted multivariate analysis
Variable	OR for requiring oxygen therapy	95% CI	P-value	Variables	OR for requiring oxygen therapy	95% CI	P-value
DMB	0.134	0.031–0.586	0.008	DMB	0.195	0.041–0.926	0.040
				Age, y	1.131	1.006–1.271	0.039
Age, y	1.150	1.035–1.278	0.009
				DMB	0.182	0.038–0.859	0.031
Hypertension	6.250	1.575–24.798	0.009	Hypertension	4.528	1.041–19.694	0.044
Male	2.800	0.765–10.246	0.120
Comorbidities	3.173	0.811–12.416	0.097
DM		*	0.999
Hyperlipidemia	3.429	0.972–12.095	0.055
CVD	8.214	0.868–77.739	0.066
Asthma/COPD	1.294	0.165–10.150	0.806
Stroke		*	0.999

COPD, chronic obstructive pulmonary disease; CVD, cardiovascular disease; DM, diabetes mellitus; DMB, vitamin D, magnesium, vitamin B₁₂; OR, odds ratio.

P-values < 0.05 are highlighted in bold.

^⁎Not estimable.