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Table 1 Correlation of miR-9 expression levels with clinicopathological features of patients with osteosarcoma

From: MicroRNA-9 expression is a prognostic biomarker in patients with osteosarcoma

Clinicopathological features

Number of cases

miR-9 expression

P value

High ( n, %)

Low ( n, %)

Age

    

<50

41

23 (56.1%)

18 (43.9%)

0.879

≥50

38

17 (44.7%)

21 (55.3%)

 

Gender

    

Male

44

25 (56.8%)

19 (43.2%)

0.636

Female

35

15 (42.9%)

20 (57.1%)

 

Anatomical location

    

Tibia/femur

51

26 (51.0%)

25 (49.0%)

0.901

Elsewhere

28

14 (50.0%)

14 (50.0%)

 

Tumor size (cm)

    

<8

48

17 (35.4%)

31 (64.6%)

 

≥8

31

23 (74.2%)

8 (25.8%)

0.011

Clinical stage

    

I/II

39

9 (23.1%)

30 (76.9%)

 

III

40

31 (77.5%)

9 (22.5%)

0.009

Pathological fracture

    

Present

11

6 (54.5%)

5 (45.4%)

 

Absent

68

34 (50.0%)

34 (50.0%)

0.899

Distant metastasis

    

Present

19

17 (89.5%)

2 (10.5%)

 

Absent

60

21 (35.0%)

39 (65.0%)

<0.001