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Table 1 Clinicopathologic characteristics of patients with OS

From: Oxidized low density lipoprotein receptor 1 promotes lung metastases of osteosarcomas through regulating the epithelial-mesenchymal transition

Characteristic

Paired primary-metastatic OS (n = 31)

Metastatic OS (n = 30)

Non-metastatic OS (n = 30)

Age, years

12 (5–23)a

11 (5–21)a

14 (7–23)a

Gender (%)

 Male

21

20

20

 Female

10

10

10

Primary tumor size (cm)

3.2 (2–20)a

3 (2–20)a

4 (2–20)a

Grade (%)

 1

25

24

26

 2

1

1

0

 3

3

3

2

 4

2

2

2

Follow-up (months)

 Median

42.3

39.1

52.5

 Range

2.5–114.3

2.5–98.5

13.2–114.3

 Mean

62.9

46.7

70.4

  1. aMedian values are listed