There were 9 (24%) patients with many of perforations on small intestine, 1 (3%) patient had advantage perforated postoperative. The mortality and morbidity rates were 15% and 27% respectively.
37 (38%) bệnh nhân có shock nhiễm trùng trước mổ, 9 (24%) trường hợp thủng nhiều lỗ trên ruột non, 1 (3%) trường hợp thủng tiếp diễn sau mổ.