Prognostic factors for the outcomes of COVID-19 patients infected with SARS-CoV-2 Omicron and Delta variants

BMC Medical Genomics

Table 3 Multivariate analysis of prognostic factors for outcomes of patients with COVID-19.

Variables	Hospitalized		Mortality
	OR (95% CI)	p-value	OR (95% CI)	p-value
Omicron variant (Ref: Delta variant)	1.23 (0.76–1.99)	0.382	0.88 (0.34–2.28)	0.795
Age (≥ 65 years)	3.86 (1.29–11.5)	0.015*	3.91 (1.35–11.42)	0.012*
Sex (Male)	0.94 (0.58–1.51)	0.803	1.1 (0.43–2.83)	0.82
Comorbidity
Obesity	-	0.998	3.67 (0.32–41.72)	0.294
Diabetes	-	0.999	9.47 (3.23–27.01)	< 0.001*
Hypertension	1.79 (0.65–4.89)	0.256	2.21 (0.74–6.56)	0.153
Cardiovascular disease	5.36 (1.08–26.52)	0.039*	1.68 (0.45–6.29)	0.44
Chronic kidney disease	-	0.999	1.39 (0.09–21.63)	0.816
Smoking	0.58 (0.16–2.1)	0.41	1.96 (0.35–10.9)	0.44

*, significant (p < 0.05); CI, confidence interval; OR, odds ratio; -, not applicable (OR is incalculable due to a divide-by-zero error)

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