Table 1. Demographic and clinical characteristics of study population.

Demographic	n (%)
Gender
Male	87 (96.7)
Female	3 (3.3)
Age of Presentation
Mean	68+/-13.8
Range	27-95
<65	35 (38.9)
>65	55(61.1)
Race/Ethnicity
White	66 (73.3)
Black	13(14.4)
Hispanic	11 (13.3)
Asian	1 (1.1)
Other	0(0)
Immune Status
Competent	71 (78.9)
Compromised	19(21.1)
Vaccination Status
Vaccinated*	16(17.8)
Not Vaccinated	74 (82.2)
Duration of follow-up
Mean (years)	3.9 +/- 5.9
Range (years)	0-33

^*At any time point throughout follow-up