Table 1.

Characteristics of 80 osteosarcoma patients.

	DGKZ -positive	DGKZ -negative
GENDER
Male	26	29
Female	11	14
AGE
≥18 years	22	25
<18 years	15	18
HISTOTYPE OF TUMOR
Conventional	33	38
Other	4	5
INITIAL TUMOR SITE
Femur	26	30
Tibia	3	5
Humerus	7	5
Fibula	1	3
METHOD OF SURGERY
Amputation	11	9
Limb salvage	26	34

All factors were well balanced between two groups(p > 0.05).