Table 1: Baseline characteristics.

Parameter	Expandable	Static
Number of Patients	57	32
Gender
Female, n (%)	28 (49.1%)	22 (68.8%)
Male, n (%)	29 (50.9%)	10 (31.2%)
Age, mean (SD, range)	58 (12.3) (21-79)	66.3 (8.9) (45-81)