Characteristics

≤54

≥55

p-Value

Number

57

12

Age (years)

32.4 ± 10.6

64.6 ± 5.6

-

Sex: Male/Female

30/27

5/7

0.7092

Location: Extremity/Axial

52/5

11/1

0.6068

Size (mm)

50.2 ± 15.2

66.3 ± 21.2

0.0027

Campanacci grade

Grade I/II/III/Unknown

11/26/12/8

1/2/4/5

0.2008

Pain: Present/None

54/3

10/2

0.4399

Pathological fracture: Present/None

11/46

3/9

0.9589

Surgical treatment: Present/None

54/3

10/2

0.4399

Surgical methods

0.8747

-Curettage and adjuvant therapy

39

8

-Excision

7

1

-Curettage only

8

1

Denosumab before surgery: Present/None

5/49

3/7

0.1932

Local recurrence: Present/None

19/35

3/7

0.9639

Time to local recurrence (months)

38.5 ± 56.0

15.0 ± 12.2

0.4860

Distant metastasis - Present/None

4/53

2/10

0.6068

Follow-up period (months)

81.1 ± 78.7

88.1 ± 71.8

0.7774

Outcome at the last follow-up

Alive without disease/Alive with disease/Dead

50/4/3

9/3/0

0.1368