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. 2011 Jan;13(1):59–63. doi: 10.1111/j.1477-2574.2010.00242.x

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%)