Skip to main content
. 2017 Dec 4;67(3):435–444. doi: 10.1007/s00262-017-2094-8

Table 2.

Prognostic factors for survival of CRCLM patients after liver metastasectomy as determined by univariate and multivariate analyses

Relapse-free survival Overall survival
Univariate analysis Multivariate analysis Univariate analysis Multivariate analysis
HR (95% CI) P value HR (95% CI) P value HR (95% CI) P value HR (95% CI) P value
Age
 > 65 vs. ≤ 65 0.73 (0.49–1.08) 0.115 0.86 (0.57–1.29) 0.461 1.01 (0.65–1.57) 0.968 1.19 (0.74–1.93) 0.470
Gender
 Male vs. female 1.08 (0.80–1.47) 0.604 1.18 (0.86–1.64) 0.303 0.94 (0.65–1.35) 0.727 0.95 (0.65–1.39) 0.781
Primary tumor
 Rectal vs. colon 1.01 (0.74–1.36) 0.974 0.82 (0.60–1.13) 0.232 0.90 (0.63–1.29) 0.564 1.03 (0.70–1.53) 0.866
Tumor grade
 G3 vs. G1–2 1.50 (1.06–2.11) 0.021 1.17 (0.80–1.69) 0.418 1.76 (1.19–2.61) 0.005 1.83 (1.18–2.82) 0.007
T-stage
 T3–4 vs. Tis-2 1.15 (0.78–1.71) 0.476 1.46 (0.95–2.26) 0.085 1.12 (0.70–1.77) 0.645 1.40 (0.83–2.36) 0.211
N-stage
 N1–2 vs. N0 1.53 (1.12–2.09) 0.007 1.47 (1.06–2.04) 0.021 1.79 (1.21–2.61) 0.002 1.68 (1.13–2.48) 0.010
Preoperative CEA
 > 200 vs. ≤ 200 ng/ml 1.75 (0.97–3.15) 0.062 2.28 (1.22–4.23) 0.009 1.96 (0.99–3.87) 0.053 3.53 (1.67–7.46) 0.001
Interval from primary tumor resection to liver metastases
 > 12 vs. ≤ 12 months 0.90 (0.64–1.27) 0.538 0.73 (0.51–1.06) 0.099 1.11 (00.73–1.69) 0.634 1.42 (0.90–2.24) 0.128
Number of metastases
 > 1 vs. ≤ 1 2.28 (1.64–3.16) < 0.001 1.55 (1.06–2.25) 0.023 1.83 (1.23–2.71) 0.003 1.18 (0.74–1.89) 0.485
Size of the largest metastasis (cm)
 > 5 vs. ≤ 5 1.91 (1.36–2.67) < 0.001 1.56 (1.07–2.26) 0.021 2.75 (1.89–4.01) < 0.001 2.14 (1.41–3.24) < 0.001
Preoperative chemotherapy
 Yes vs. no 2.22 (1.62–3.04) < 0.001 2.22 (1.55–3.17) < 0.001 1.41 (0.98–2.03) 0.064 1.44 (0.95–2.21) 0.090
Postoperative chemotherapy
Yes vs. no 0.65 (0.48–0.89) 0.007 0.69 (0.50–0.97) 0.032 0.50 (0.35-0.72) < 0.001 0.46 (0.30–0.69) < 0.001
Immunoscorea 0.69 (0.61–0.77) < 0.001 0.73 (0.64–0.83) < 0.001 0.65 (0.56–0.75) < 0.001 0.69 (0.59–0.80) < 0.001

Bold value indicates P < 0.05

HR hazard ratio, CI confidence interval, CEA carcinoembryonic antigen

aAnalyzed as a ranked variable