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Table 1 Correlation analysis between URG4 protein expression and clinicopathological variables

From: URG4 mediates cell proliferation and cell cycle in osteosarcoma via GSK3β/β-catenin/cyclin D1 signaling pathway

Variable

N

URG4 expression

χ2

P

Low

High

Gender

 Male

29

9

20

0.729

0.393

 Female

11

5

6

Age

 <18 years

31

10

21

0.455

0.499

 ≥18 years

9

4

5

Location

 Femur

21

6

15

0.806

0.668

 Tibia

12

5

7

 Other sites

7

3

4

  

Tumor necrosis rate (%)

 <90

35

12

23

0.063

0.802

 ≥90

5

2

3

Tumour size (cm)

 <5

26

12

14

4.062

0.043

 ≥ 5

14

2

12

Histologic type

 Osteoblastic

31

9

22

2.157

0.142

 Chondroblastic

9

5

4

Tumour metastasis

 Presence

13

1

12

6.313

0.012

 Absence

27

13

14

Enneking stages

 I

9

7

2

9.455

0.009

 II

25

6

19

 III

6

1

5