Rho GTPase-Activating Protein 35 rs1052667 Polymorphism and Osteosarcoma Risk and Prognosis
Table 1
Demographic and etiologic characteristics of osteosarcoma cases and controls.
Variable
Controls ()
Cases ()
Sex
Male
265
61.9
154
62.3
0.934
Female
163
38.1
93
37.7
Age (yrs)
26
278
65.0
161
65.2
0.952
26
150
35.0
86
34.8
Race
Han
279
65.2
159
64.4
0.555
Minority
149
34.8
88
35.6
Smoking status
No
398
93.0
231
93.5
0.792
Yes
30
7.0
16
6.5
Drinking status
No
402
93.9
233
94.3
0.829
Yes
26
6.1
14
5.7
Paget’s disease
No
428
100.0
246
96.6
0.366
Yes
0
0.0
1
0.4
Trauma
No
411
96.0
228
92.3
0.038
Yes
17
4.0
19
7.7
Radiation exposure
No
415
97.0
236
95.5
0.339
Yes
13
3.0
11
4.5
PBBLb
No
428
100.0
246
96.6
0.366
Yes
0
0.0
1
0.4
The mean S.D. ages were and for cases and controls, respectively.
bPBBL refers to the preexisting benign bone lesions, including fibrous dysplasia, osteochondromatosis, and chondromatosis.