Table 1.

Patient characteristics, n (%)

Characteristic	Value
Sex
Male	11 (61.1)
Female	7 (38.9)
Age, years (mean ± SD)	35.4 ± 5.4
Initial Hill grade
IIa	4 (22.2)
IIb	14 (77.8)
Adverse events	1 (5.6)
Valve reinforcement at 12 months postoperatively	1 (5.6)