Table 2. Patient demographics.

Characteristics	N = 1,012
Age (yrs)	56.2 ± 6.7 (41 – 83)
Gender
Female	521 (51.5 %)
Male	491 (48.5 %)
Race
African American	748 (73.9 %)
White	201 (19.9 %)
Asian	24 (2.4 %)
Hispanic	19 (1.9 %)
Other	20 (2.0 %)

N = number of procedures