. 2022 Apr 27;7(6):651–654. doi: 10.1001/jamacardio.2022.0670

Table 2. COVID-19 Infections and Outcomes Among Vaccinated and Unvaccinated Heart Transplant Recipients.

Variable	Heart transplant recipients, No. (%)		Risk ratio (95% CI)
Variable	Vaccinated (n = 366)	Unvaccinated (n = 70)	Risk ratio (95% CI)
COVID-19 infections	72 (19.7)	34 (48.6)	0.41 (0.30-0.56)^a
COVID-19 hospitalizations	15 (4.1)	10 (14.3)	0.29 (0.14-0.61)^a
ICU admissions	4 (1.1)	3 (4.3)	0.26 (0.07-1.01)
Deaths	3 (0.8)	3 (4.3)	0.19 (0.05-0.82)^b

Abbreviation: ICU, intensive care unit.

^{^a}

P < .001 for comparison of vaccinated vs unvaccinated patients.

^{^b}

P < .05 for comparison of vaccinated vs unvaccinated patients.