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

From: Colorectal cancer surgery in selected nonagenarians is relatively safe and it is associated with a good long-term survival: an observational study

Risk factorsTotal
n = 40
ComplicationsCCI 0/1 (p value)Median CCI (IQR)
22.6 (0.0–42.6)
CCI 0–100 (p value)
No (n = 12)
(30%)
Yes (n = 28)
(70%)
Age (mean ± SD)91.6 (± 1.5)91.1 (± 1.2)91.8 (± 1.6)0.1100.014b
Gender
 Man13 (32%)3 (25.0%)10 (35.7%)0.50722.6 (4.4–77.5)0.391
 Woman27 (68%)9 (75.0%)18 (64.7%)22.6 (0.0–36.2)
ASA
 I–II
 III–IV
8 (20%)
32 (80%)
3 (25.0%)
9 (75.0%)
5 (17.9%)
23 (82.1%)
0.60515.7 (0.0–39.2)
23.4 (0.0–43.7)
0.475
S-MPM
 I5 (13%)2 (16.7%)3 (10.7%)0.67322.6 (0.0–61.3)0.390
 II27 (67%)8 (66.7%)19 (67.9%)22.6 (0.0–32.0)
 III8 (20%)2 (16.7%)6 (21.4%)45.6 (2.2–89.7)
Charlson Comorbidity Index
 No8 (20%)2 (5.0%)6 (21.4%)0.63133.7 (2.2–56.7)0.698
 Low11 (28%)5 (41.7%)6 (21.4%)8.7 (0.0–100)
 HIgh21 (52%)5 (41.7%)16 (57.1%)22.6 (6.1–34.1)
Neoplasm location
 Right sidea23 (58%)3 (25.0%)20 (71.4%)0.00630.0 (20.9–50.7)0.015
 Left side17 (42%)9 (75.0%)8 (28.6%)0.0 (0.0–26.7)
Type of surgery
 elective24 (60%)7 (58.3%)17 (60.7%)0.91922.6 (0.0–31.7)0.576
 emergency16 (40%)5 (41.7%)11 (39.3%)23.4 (0.0–57.8)
Intent of surgery0.002
 Curative34 (85%)7 (58.3%)27 (96.4%)0.00627.5 (8.7–47.3)
 Palliative6 (15%)5 (41.7%)1 (3.6%)0.0 (0.0–3.1)
Anastomosis
 No18 (45%)8 (66.7%)10 (35.7%)0.07010.5 (0.0–40.9)0.325
 Yes22 (55%)4 (33.3%)18 (64.3%)23.4 (17.9–45.1)
Transfusion
 No21 (53%)12 (100.0%)9 (32.1%)< 0.0010.0 (0.0–21.8)< 0.001
 Yes19 (47%)0 (0.0%)19 (67.9%)32.0 (24.2–54.9)
TNM stage
 I–II28 (70%)8 (66.7%)20 (71.4%)0.76322.6 (0.0–36.2)0.493
 III–IV12 (30%)4 (33.3%)8 (28.6%)26.7 (0.0–88.7)
  1. a Including transverse colon location
  2. bLinear regression