Table 3.

Ninety-Day Mortality Univariable and Multivariable Cox Regression Analyses

Variables	Univariable Analysis			Multivariable Analysis
	HR	95% CI	P Value	aHR	95% CI	P Value
mAb	0.24	0.05–1.20	.083	0.17	0.03–0.94	.042
Age >60 y	4.02	0.81–19.9	.089	7.73	1.47–40.58	.016
Vaccination			.037			.037
2 doses	0.27	0.05–1.47	.129a	0.41	0.07–2.37	.319
≥3 doses	0.12	0.02–0.65	.014a	0.105	0.02–0.59	.010

Bolded P-values are those ≤ .05 (considered statistically significant). Abbreviations: aHR, adjusted hazard ratio; HR, hazard ratio; ICU, intensive care unit; mAb, antispike monoclonal antibody.

^aReference category: unvaccinated.