Age (> 65 vs. ≤ 65 years)
|
0.84 (0.30–2.35)
|
0.743
|
Primary tumor site (left vs. right)
|
0.44 (0.21–0.92)
|
0.030
|
pN category (pN1-2 vs. pN0)
|
1.04 (0.56–1.91)
|
0.903
|
CEA decline (yes vs. no)a
|
0.48 (0.24–0.94)
|
0.032
|
Metastases presentation (metachronous vs. synchronous)
|
0.72 (0.30–1.74)
|
0.462
|
Size of metastases (< 2.5 vs. ≥ 2.5 cm)
|
0.50 (0.27–0.92)
|
0.025
|
Resection status (R1–2 vs. R0)
|
1.09 (0.56–2.13)
|
0.794
|
Preoperative chemotherapy backbone (CT with Bev vs. CT only)
|
0.29 (0.10–0.83)
|
0.021
|
Preoperative chemotherapy backbone (CT with Cet vs. CT only)
|
1.79 (0.86–3.73)
|
0.120
|
Duration of preoperative chemotherapy (long vs. short)
|
0.28 (0.14–0.53)
|
< 0.001
|