All patients had large hernias with the defects longer than 5 cm (66% from 5 to 10 cm, 34% > 10 cm) and 70% among them were of thin, weak abdominal fascias.
66% BN có lỗ thoát vị 5-10 cm và 34% > 10 cm. Đa số (70,5%) có cân thành bụng mỏng hoặc nhão.