Table 3 Univariate and multivariate analyses of prognostic variables for post-recurrence cancer-specific survival in females

Primary tumor location

Left vs. Right

1.54

1.19–1.98

0.0009

Age (years)

<  75 vs. ≥ 75

0.40

0.83–1.60

0.3970

Depth of invasion

T1–3 vs. T4

1.60

1.23–2.07

0.0004

Regional lymph node metastasis

Absent vs. Present

1.38

1.02–1.87

0.0342

Histopathological type

Differentiated vs. Others

1.16

0.74–1.84

0.5155

Recurrence of liver only

Absent vs. Present

1.64

1.22–2.19

0.0009

Recurrence of lung only

Absent vs. Present

0.88

0.67–1.15

0.3463

Recurrence of peritoneal dissemination only

Absent vs. Present

1.32

0.94–1.86

0.1099

Recurrence of extra-regional lymph node only

Absent vs. Present

0.86

0.62–1.18

0.3453

Recurrence of bone only

Absent vs. Present

0.50

0.07–3.55

0.4854

Recurrence of locoregional only

Absent vs. Present

0.70

0.44–1.12

0.1392

Recurrence of anastomosis only

Absent vs. Present

0.88

0.22–3.57

0.8632

Number of recurrent organs

Single vs Multiple

1.15

0.57–2.33

0.6940

Relapse-free interval (years)

≥ 1.0 vs. <  1.0

1.32

1.02–1.70

0.0354