Table 1.

Descriptive Summary of Patient Characteristics and Outcomes by COVID-19 Vaccination Type and Status

	Moderna (N=158)	Pfizer (N=144)	No Vaccine (N=725)	p-value
Age (years) – mean± SD	63.7 ± 12.7	59.7 ± 11.8	56.4 ± 10.7	< 0.011
Vaccine Arm				< 0.012
Left	100 (63.3%)	103 (71.5%)
Right	55 (34.8%)	34 (23.6%)
Not reported	3 (1.9%)	7 (4.9%)
Lymphadenopathy				< 0.012
No	143 (90.5%)	125 (86.8%)	716 (98.8%)
Yes	15 (9.5%)	19 (13.2%)	9 (1.2%)
Lymphadenopathy - ipsilateral to vaccine site	14 (93.3%)	19 (100%)
Lymphadenopathy - contralateral to vaccine site	1 (6.7%)	0 (0%)

Student t-test

Pearson's Chi-squared test