Table 1. Patient characteristics.

Characteristics	Total (n=89)
Sex
Female, n [%]	17 [19]
Age
Mean ± SD	48.3±14.8
Range	18–78
≤18	3 [3]
19–40	26 [29]
41–60	41 [46]
>60	19 [21]
Original ross surgeon, n [%]
Performed by series surgeon	67 [75]
Performed elsewhere	22 [25]
Previous operations, n [%]
1	62 [75]
2	18 [22]
3	2 [2]
4	1 [1]
Years since Ross
Mean ± SD	12.6±6.9
Range	1–24
Age at time of Ross
Mean ± SD	35.7±14.2
Range	1–67

SD, standard deviation.