Risk-adjustment in hepatobiliarypancreatic surgery

Table 4 Types of morbidity.

System	Minor/intermediate1	Severe1
Respiratory	25 (14.1)	10 (5.6)
Gastrointestinal	23 (13.0)	12 (6.7)
Hematological	20 (11.3)	6 (3.4)
Wound	15 (8.5)	3 (1.7)
Intra-abdominal sepsis	15 (8.5)	2 (1.1)
Cardiac	9 (5.1)	3 (1.7)
Renal	8 (4.5)	3 (1.7)
Venous	2 (1.1)	2 (1.1)
Others	19 (10.7)	2 (1.1)
Total	56 (31.6)1	24 (13.6)1

¹A given patient may have complications of varying grade in one or more systems.