Table 3 Univariate and multivariate analysis for DFS

Age (≥45 vs.<45)

1.16

0.47–2.88

0.75

FIGO stage

1.79

1.11–2.87

0.016

Tumor size (>4cm vs. ≤4cm)

4.33

1.76–10.67

0.001

4.42

1.79–10.92

0.001

Histology (SC vs. others)

0.66

0.15–2.84

0.57

Differentiation

0.97

0.42–2.25

0.94

Deep invasion

0.62

0.22–1.72

0.36

Surgical margin

1.13

0.15–8.47

0.91

LVSI

1.15

0.44–3.02

0.78

LN metastasis

1.22

0.49–3.04

0.67

TI (surgery to CT) (>7 days vs. ≤7 days)

0.77

0.25–2.39

0.65

TI (surgery to RT) (>7 weeks vs. ≤7 weeks)

4.22

1.60–11.22

0.004

4.34

1.64–11.50

0.003

CT cycles (>4)

2.01

0.82–4.94

0.13