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Table 3 Factors associated with postoperative complications, 30-day mortality & 180-day mortality

From: Outcomes of colorectal cancer surgery in the nonagenarians: 20-year result from a tertiary center

Factors Postoperative complications 30-day mortality 180-day mortality
(%) p (%) p (%) p
Sex   0.568   0.119   0.683
 Male 40 15 35
 Female 32.4 2.7 29.7
ASA 0.039 0.011 0.028
 II-III 31.5 3.7 27.8
 IV 100 66.7 100
ECOG 1.0 0.464 0.094
  < 4 34.7 6.1 26.5
  ≥ 4 37.5 12.5 62.5
CCI 0.53 0.042 0.025
  < 9 32.6 2.3 23.3
  ≥ 9 42.9 21.4 57.1
Chronic smoker 1.0 1.0 1.0
 No 34.5 7.3 32.7
 Yes 50 0 0
Hypertension 0.898 0.623 0.526
 No 36 4 36
 Yes 34.3 9.3 28.1
Diabetes mellitus 1.0 0.464 0.698
  No 34.7 6.1 30.6
 Yes 37.5 12.5 37.5
Ischemic heart disease 0.017 0.051 0.072
 No 29.4 3.9 27.5
 Yes 83.3 33.3 66.7
Cerebrovascular disease 1.0 0.464 1.0
 No 34.7 6.1 32.7
 Yes 37.5 12.5 25
Respiratory disease 0.687 0.07 1.0
 No 34 4 32
 Yes 42.8 28.6 28.6
Chronic renal failure 1.0 1.0 1.0
 No 35.8 7.5 32.1
  Yes 25 0 25
Cirrhosis 1.0 1.0 1.0
  No 35.7 7.1 32.1
 Yes 0 0 0
Current antiplatelet use 0.332 0.315 0.646
 No 32.7 5.8 30.8
 Yes 60 20 40
Surgical urgency 0.044 0.3 0.162
 Elective 24.2 3 24.2
 Emergency 50 12.5 41.7
Surgical approach 0.182 0.569 0.303
 Laparoscopic 16.7 0 16.7
 Open 40 8.9 35.6
Surgical intent 0.346 1.0 0.087
 Curative 38.6 6.8 25
 Palliative 23.1 7.7 53.8
Tumor location 0.031 1.0 0.227
 Colon 44.7 7.9 36.8
 Rectum 15.8 5.2 21.1
Disease staging 0.651 1.0 0.351
 1–3 36.2 6.4 27.7
 4 16.7 0 50
Serum biochemistry^
 Hemoglobin   0.173   0.852   0.189
 White cell count 0.566 0.981 0.021
 Albumin 0.629 0.041 0.008
 Creatinine 0.675 0.473 0.885
Overall complications 0.012 0.005
 No 0 18.9
 Yes 20 55
Pulmonary complications < 0.001 0.001
 No 0 22.4
 Yes 50 87.5
Reoperation 1.0 0.536
 No 7.3 30.9
 Yes 0 50
  1. ^Analysis done by independent sample T test