Table 2.

Association Between COVID-19 Vaccine and Infection and AKI Incidence: Results from Univariable and Multivariable-Adjusted Cox Models

	HR	Adjusted HR
COVID-19 vaccination	Reference	Reference
COVID-19 infection	7.55 (7.43-7.66)a	10.31 (10.16-10.47)a
Previous AKI history	8.90 (8.77-9.03)a	3.17 (3.12-3.23)a
Age <30	Reference	Reference
Age:30-49	2.17 (2.11-2.22)a	2.26 (2.20-2.32)a
Age:50-64	5.26 (5.13-5.40)a	5.55 (5.41-5.69)a
Age:65-90	10.78 (10.52-11.06)a	11.43 (11.14-11.72)a
White race	Reference	Reference
Black race	1.62 (1.60-1.64)a	2.09 (2.06-2.11)a
Asian race	0.73 (0.71-0.76)a	1.10 (1.06-1.13)a
Other race	0.91 (0.89-0.93)a	1.17 (1.14-1.20)a
No race info	0.90 (0.89-0.92)a	1.28 (1.25-1.30)a
Female	Reference	Reference
Male	1.83 (1.80-1.85)a	1.59 (1.58-1.60)a
Hispanic or Latino	Reference	Reference
Not Hispanic or Latino	1.27 (1.25-1.29)a	0.93 (0.91-0.95)a
Unknown ethnicity	0.89 (0.87-0.91)a	0.59 (0.57-0.60)a
Hypertension	2.55 (2.53-2.57)a	0.98 (0.97-0.99)a
Diabetes mellitus	4.02 (3.97-4.07)a	1.67 (1.65-1.70)a
Heart failure	5.79 (5.71-5.86)a	1.70 (1.67-1.72)a
Cardiovascular disease	3.58 (3.54-3.61)a	1.38 (1.36-1.40)a
Obesity	1.57 (1.52-1.56)a	0.97 (0.96-0.98) a

Abbreviation: HR hazard ratio, CI confidence interval.

^ap < 0.001.