Table 4 Univariate analysis of recurrence factors for DFS of endometrial carcinoma in training group

Age at diagnosis

1.61

0.58–4.45

0.537

FIGO stage (I–II vs. III–IV)

5.15

1.92–13.86

< 0.001

Tumor size (< 3.5 cm vs. ≥3.5 cm)

1.79

0.62–5.14

0.274

Pathological types (endometrioid vs. non-endometrioid)

3.49

1.26–9.65

0.01

Myometrial invasion (< 50% vs. ≥50%)

2.97

1.07–8.23

0.027

LVSI (absent vs. present)

0.53

0.12–2.33

0.388

LNM (absent vs. present)

1.49

0.42–5.23

0.529

Ki-67 (< 50% vs. ≥50%)

0.91

0.34–2.46

0.857

4.98

1.81–13.74

0.001

4.48

1.02–19.79

0.029

2.16

0.75–6.23

0.142

Radscore (<−1.227 vs. ≥ − 1.227)

7.88

2.73–22.78

< 0.001