Table 1 Patients’ demographics

Age (years)

68 ± 12

Male. n (%)

29 (60.4%)

ASA PS. n (%)

 2E

10 (20.8%)

 3E

31 (64.6%)

 4E

7 (14.6%)

Presence of diabetes mellitus

21 (43.8%)

 Insulin treatment

8 (16.7%)

Operation time (mins)

249 ± 134

Anesthesia time (mins)

306 ± 142

Operation categories

Cardiovascular surgery

36 (75%)

 Gastrointestinal surgery

6 (12.5%)

 Thoracic surgery

3 (6.3%)

 Other surgery

3 (6.3%)