Table 1.

Patient demographics

Variable	n (%)
Mean age, years	62.3
Male gender	10 (32%)
Mean body mass index	29.4
American Society of Anesthesiologists class
Grade 1	1 (3%)
Grade 2	11 (35%)
Grade 3	12 (39%)
Grade 4	5 (16%)
Unknown	2 (6%)
Mean preoperative albumin, g/dl (range)	3.4 (1.8–4.7)
Presence of hypoalbuminaemia	11 (35%)
Co-morbid conditions
Cardiac	14 (45%)
Pulmonary	12 (39%)
Diabetes mellitus/obesity	4 (13%)
Prior history of cancer	7 (23%)
Preoperative symptoms
Obstruction	12 (39%)
Pain	11 (36%)
Unintentional weight loss	7 (23%)