Table 1 Association between local recurrence or joint degeneration and clinical factors

Sex

Male

29

23

6

0.791

19

3

0.854

Female

11

9

2

6

2

Age

< 14

7

6

1

0.661

3

2

0.381

≥ 14

33

26

7

22

3

Size

< 30 mm

17

13

4

0.175

14

2

0.87

≥ 30 mm

21

19

2

11

3

Physeal involvement

Yes

6

5

1

0.846

4

2

0.254

No

34

27

7

21

3

Surgical approach

Intra-articular

7

7

0

0.182

7

0

0.44

Extra-articular

33

25

8

18

5

Affected joint

Knee

15

13

2

0.401

15

0

0.004

Hip

5

5

0

5

0

Shoulder

4

2

2

2

2

Subtalar

4

2

2

1

3

Elbow

1

1

0

1

0

Ankle

1

1

0

1

0

No

10

8

2

Local recurrence

Yes

8

4

2

0.54

No

32

21

3