Table 1 Patients’ characteristics of the two treatment groups

Histology

 conventional osteosarcoma

47

42

1.000

Age

  ≤ 15 years

31

22

0.193

  > 15 years

16

20

Gender

 Male

24

25

0.625

 Female

23

17

Anatomic location

 Femur

30

26

0.851

 Tibia

17

16

Pathologic fracture

 No

45

40

0.908

 Yes

2

2

Initial tumor volume

  ≥ 50 cm³

26

30

0.116

  < 50 cm³

21

12