Table 2.

Distribution of acute abdominal event/mechanism and corresponding mortality

Surgical event	Number	30-day mortality
Perforation	353 (29.6%)	57 (16.1%)
Obstruction	301 (25.2%)	32 (10.6%)
Ischaemia/necrosis	137 (11.5%)	51 (37.2%)
Haemorrhage	81 (6.8%)	15 (18.5%)
Incarceration	79 (6.6%)	12 (15.2%)
Abscess/collection	78 (6.5%)	5 (6.4%)
Anastomotic leak	51 (4.3%)	7 (13.7%)
Toxic colitis	38 (3.2%)	3 (7.9%)
Phlegmon	32 (2.7%)	0 (0%)
Negative laparotomy	16 (1.3%)	6 (37.5%)
Fistulation	13 (1.1%)	0 (0%)
Total patients with data	1,193 (100%)	189 (15.8%)