Table 3 Univariate analysis of risk factors for CCI (Comprehensive Complications Index) 0/1 (no complications vs. complications), and CCI 0–100 score

Age (mean ± SD)

91.6 (± 1.5)

91.1 (± 1.2)

91.8 (± 1.6)

0.110

–

0.014^b

 Man

13 (32%)

3 (25.0%)

10 (35.7%)

0.507

22.6 (4.4–77.5)

0.391

 Woman

27 (68%)

9 (75.0%)

18 (64.7%)

22.6 (0.0–36.2)

 I–II

 III–IV

8 (20%)

32 (80%)

3 (25.0%)

9 (75.0%)

5 (17.9%)

23 (82.1%)

0.605

15.7 (0.0–39.2)

23.4 (0.0–43.7)

0.475

 I

5 (13%)

2 (16.7%)

3 (10.7%)

0.673

22.6 (0.0–61.3)

0.390

 II

27 (67%)

8 (66.7%)

19 (67.9%)

22.6 (0.0–32.0)

 III

8 (20%)

2 (16.7%)

6 (21.4%)

45.6 (2.2–89.7)

 No

8 (20%)

2 (5.0%)

6 (21.4%)

0.631

33.7 (2.2–56.7)

0.698

 Low

11 (28%)

5 (41.7%)

6 (21.4%)

8.7 (0.0–100)

 HIgh

21 (52%)

5 (41.7%)

16 (57.1%)

22.6 (6.1–34.1)

 Right side^a

23 (58%)

3 (25.0%)

20 (71.4%)

0.006

30.0 (20.9–50.7)

0.015

 Left side

17 (42%)

9 (75.0%)

8 (28.6%)

0.0 (0.0–26.7)

 elective

24 (60%)

7 (58.3%)

17 (60.7%)

0.919

22.6 (0.0–31.7)

0.576

 emergency

16 (40%)

5 (41.7%)

11 (39.3%)

23.4 (0.0–57.8)

0.002

 Curative

34 (85%)

7 (58.3%)

27 (96.4%)

0.006

27.5 (8.7–47.3)

 Palliative

6 (15%)

5 (41.7%)

1 (3.6%)

0.0 (0.0–3.1)

 No

18 (45%)

8 (66.7%)

10 (35.7%)

0.070

10.5 (0.0–40.9)

0.325

 Yes

22 (55%)

4 (33.3%)

18 (64.3%)

23.4 (17.9–45.1)

 No

21 (53%)

12 (100.0%)

9 (32.1%)

< 0.001

0.0 (0.0–21.8)

< 0.001

 Yes

19 (47%)

0 (0.0%)

19 (67.9%)

32.0 (24.2–54.9)

 I–II

28 (70%)

8 (66.7%)

20 (71.4%)

0.763

22.6 (0.0–36.2)

0.493

 III–IV

12 (30%)

4 (33.3%)

8 (28.6%)

26.7 (0.0–88.7)