Table 1.

Association results of SARS-CoV-2 VOCs infections with 28-day mortality among hospitalized patients.

	Logistic regression		Cox regression
	Odds Ratio (95% CI)	p-value	Hazard Ratio (95% CI)	p-value
Lineage (Delta (B.1.617.2 and sublineages) vs. Alpha (B.1.1.7))	2.24 (1.11–4.78)	0.029	2.28 (1.18–4.39)	0.014
Age (years old)	1.06 (1.03–1.09)	4.68 × 10−6	1.05 (1.03–1.07)	1.20 × 10−6
Sex (male)	2.45 (1.17–5.40)	0.020	2.03 (1.06–3.88)	0.031
Length of hospital stay (days)	0.98 (0.95–1.01)	0.415	0.93 (0.89–0.97)	2.64 × 10−4
Comorbidities*	1.65 (0.69–4.21)	0.271	1.55 (0.66–3.60)	0.309

CI, confidence interval.

*Detailed in Table S1.