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Table 5 Univariate analysis of long-term survival

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

 Total (n = 40)Alives (n = 11) (28%)Deaths (n = 29) (72%)pHR (95%CI)
Age (mean ± SD)91.6 (± 1.5)91.5 (± 1.1)91.7 (± 1.6)0.3101.1 (0.9–1.4)
Gender
 Man13 (32%)3 (23%)10 (77%)0.1340.6 (0.2–1.2)
 Woman27 (68%)8 (30%)19 (70%)
ASA
 I–II8 (20%)4 (50%)4 (50%)0.2611.8 (0.6–5.3)
 III–IV32 (80%)7 (22%)25 (78%)
S-MPM
 I5 (13%)2 (40%)3 (60%)0.0222.4 (1.1–5.2)
 II27 (67%)8 (30%)19 (70%)
 III8 (20%)1 (13%)7 (87%)
Charlson Comorbidity Index
 No8 (20%)3 (38%)5 (62%)0.7870.9 (0.5–1.4)
 Low11 (28%)2 (18%)9 (82%)
 High21 (52%)6 (29%)15 (71%)
Neoplasm location
 Right side*23 (58%)7 (30%)16 (70%)0.5361.3 (0.6–2.7)
 Left side17 (42%)4 (24%)13 (76%)
Type of surgery
 Elective24 (60%)8 (33%)16 (67%)0.0222.4 (1.1–5.1)
 Emergency16 (40%)3 (19%)13 (81%)
Intent of surgery
 Curative34 (85%)9 (27%)25 (73%)0.8000.9 (0.3–2.6)
 Palliative6 (15%)2 (33%)4 (67%)
Anastomosis
 No18 (45%)5 (28%)13 (72%)0.0990.5 (0.2–1.1)
 Yes22 (55%)6 (27%)16 (73%)
Transfussion
 No21 (53%)7 (33%)14 (67%)0.5561.3 (0.6–2.6)
 Yes19 (47%)4 (21%)15 (79%)
TNM stage
 I–II28 (70%)11 (39%)17 (61%)0.0033.2 (1.4–7.2)
 III–IV12 (30%)0 (0%)12 (100%)
  1. HR hazard ratio
  2. *Including transverse colon location