Sex
|
Male
|
21 (42.0)
|
29 (58.0)
|
0.31
|
|
Female
|
13 (31.7)
|
28 (68.3)
| |
Age
|
≤ 14 years
|
12 (33.3)
|
24 (66.7)
|
0.52
|
|
> 15 years
|
22 (40.0)
|
33 (60.0)
| |
Tumor site
|
Distal femur/Proximal tibia/Proximal humerus (Not exceeding the isthmus)
|
12 (21.1)
|
45 (78.9)
|
<0.001
|
|
Others
|
22 (67.4)
|
12 (35.3)
| |
Laterality
|
Left
|
13 (32.5)
|
27 (67.5)
|
0.40
|
|
Right
|
21 (41.2)
|
30 (58.8)
| |
Tumor size
|
≥ 8 cm
|
25 (40.3)
|
37 (59.7)
|
0.39
|
|
< 8 cm
|
9 (31.0)
|
20 (69.0)
| |
Pathologic fracture at diagnosis
|
Yes
|
3 (60.0)
|
2 (40.0)
|
0.36*
|
|
No
|
31 (36.0)
|
55 (64.0)
| |
Skip lesion
|
Yes
|
2 (66.7)
|
1 (33.3)
|
0.55*
|
|
No
|
32 (36.4)
|
56 (63.6)
| |
Intracapsular extension
|
Yes
|
13 (65.0)
|
7 (35.0)
|
0.004
|
|
No
|
21 (29.6)
|
50 (70.4)
| |
ALP at diagnosis
|
Elevated
|
26 (46.4)
|
30 (53.6)
|
0.02
|
|
Normal
|
8 (22.9)
|
27 (77.1)
| |
LDH at diagnosis
|
Elevated
|
5 (55.6)
|
4 (44.4)
|
0.12*
|
|
Normal
|
14 (26.4)
|
39 (73.6)
| |
Histologic type
|
Osteoblastic/chondroblastic/fibroblastic
|
19 (29.2)
|
46 (70.8)
|
0.02
|
|
Others (mixed and nonconventional type)
|
9 (60.0)
|
6 (40.0)
| |
Limb salvage surgery type
|
Without Pasteurization
|
28 (36.4)
|
49 (63.6)
|
0.64
|
|
With Pasteurization
|
6 (42.9)
|
8 (57.1)
| |
Huvos grade
|
I & II
|
15 (57.7)
|
11 (42.3)
|
0.01
|
|
III & IV
|
19 (29.2)
|
46 (70.8)
| |
Surgical resection
|
Complete
|
28 (32.9)
|
57 (67.1)
|
0.002*
|
|
Incomplete
|
6 (100.0)
|
0 (0.0)
| |