Table 1.

Demographics of the study subjects

Age (years)
Mean ± SD	67±10
Median (range)	69.5 (35–83)
Gender, N (%)
Male	12 (38)
Female	20 (62)
Race, N (%)
Caucasian	25 (78)
African American	4 (13)
Other	3 (9)

Abbreviation: N, number of patients.