Table 1.

Patient demographics

Patient demographics	N (%), total n = 525
Sex, male (%)	313 (60)
Age	61 (48–70)
BMI	24.4 (21.7–27.7)
ASA classification	2 (2–3)
Comorbidities
Diabetes (total n = 514), yes (%)	72 (14)
Cardiovascular (total n = 511), yes (%)	197 (39)
Pulmonary (total n = 520), yes (%)	83 (16)
History of abdominal surgery (total n = 512), yes (%)	267 (52)
Total patients with comorbidities (%)a	371 (73)
Smoking (total n = 339), yes (%)	107 (32)
Alcohol abuse (total n = 341), yes (%)	115 (34)

All data are expressed in median (IQR) or absolute numbers (%)

^aUnknown in 14 patients