Before February 2008, the one-staged procedure was performed in only 1/5 cases (20%), but after that all 14/14 cases (100%) were treated with the one-staged definitive repair.
Trước tháng 2/2008, chỉ có 1/5 ca (20%) được mổ 1 thì nhưng sau đó cả 14/14 ca (100%) được mổ 1 thì.