Table 3 Univariate analysis of factors predictive of lymph node metastasis

Parameters

Category

Cases

HR (95 % CI)

P value

Age

<54

102

1.58 (0.64–3.89)

0.319

≥54

98

BMI

<24.7

101

1.02 (0.42–2.48)

0.960

≥24.7

99

Cytology

Negative

155

1.44 (0.30–6.99)

0.652

Positive

16

Grade

1 + 2

171

5.47 (2.08–14.41)

0.001

3

29

Tumor size

<2cm

69

14.59 (1.92–111.14)

0.010

≥2cm

117

Histology

Endometrioid

181

1.95 (0.90–4.20)

0.090

Non-endometrioid

19

Myometrial invasion depth

<50 %

154

10.16 (3.82–26.99)

<0.001

≥50 %

46

LVSI

Negative

149

86.47 (18.58–402.47)

<0.001

Positive

37

Extrauterine disease

No

172

Not applicable^a

0.994

Yes

28

VAT%

<31.89

100

2.98 (1.12–7.98)

0.029

≥31.89

100