Table 1 Patient characteristics

Year of surgery

0.227

0.127

 2011–2015

32 (56.1%)

17 (43.5%)

18 (58.0%)

12 (38.7%)

 2016–2020

25 (43.9%)

22 (56.5%)

13 (42.0%)

19 (61.3%)

Age (years)

67 (21–89)

70 (22–94)

0.588

66 (21–89)

71 (22–94)

0.446

Gender

0.811

0.798

 Male

22 (38.5%)

16 (41%)

14 (45.1%)

13 (41.9%)

 Female

35 (61.5%)

23 (59%)

17 (54.8%)

18 (58.0%)

BMI (kg/m²)

24.3 (14.8–38.2)

22.9 (17.5–30.8)

0.622

24.3 (14.8–30.9)

22.9 (17.5–30.5)

0.354

ASA

0.024

0.778

 2

1 (1.8%)

4 (10.2%)

1 (3.2%)

2 (6.4%)

 3

17 (29.8%)

20 (51.2%)

14 (45.1%)

15 (48.3%)

 4

37 (64.9%)

15 (38.4%)

16 (51.7%)

14 (45.3%)

 5

2 (3.5%)

0

0

0

CCI

5 (0–11)

6 (0–11)

0.772

5 (0–10)

6 (0–11)

0.208

HTN

36 (63.1%)

24 (61.5%)

0.478

18 (58%)

20 (64.5%)

DM

20 (35%)

14 (35.8%)

0.935

9 (29%)

11 (35.4%)

CKD

15 (26.3%)

7 (17.9%)

0.338

2 (6.4%)

3 (9.6%)

CAD

11 (19.3%)

10 (25.6%)

0.460

5 (16.1%)

9 (29.0%)

CVA

4 (7%)

6 (15.3%)

0.187

3 (9.6%)

6 (19.3%)

Malignancy

21 (36.8%)

15 (28.4%)

0.872

14 (45.1%)

11 (25.4%)

APACHE II

19 (6–32)

13 (6–30)

 < 0.001

15 (6–28)

15 (6–30)

0.522

Surgical delay (≥ 3 days)

34 (59.6%)

17 (43.5%)

0.121

21 (67.7%)

15 (48.3%)

0.123

Etiology of IC

0.872

0.421

Postoperative IC

21 (36.8%)

15 (38.4%)

9 (29.0%)

12 (38.7%)

Vascular surgery

13 (22.8%)

4 (10.3%)

5 (16.1%)

4 (12.9%)

Other surgery

8 (14.0%)

11 (28.2%)

4 (12.9%)

8 (25.8%)

Other etiologies

36 (63.1%)

24 (61.5%)

22 (70.9%)

19 (61.3%)

Occlusive

16 (28.0%)

11 (28.2%)

9 (29.0%)

8 (25.8%)

Non occlusive

20 (25.0%)

13 (33.3%)

12 (38.7%)

11 (35.5%)