Table 1. Relationship between SS18-SSX fusion type and other factors.
| |
Fusion gene |
|
||
|---|---|---|---|---|
| Factor | SSS18-SSX1 | SS18-SSX2 | χ2 | P-value |
|
Age |
|
|
2.331 |
0.127 |
| <33 | 21 | 25 | ||
| ⩾33 |
26 |
16 |
|
|
|
Sex |
|
|
1.67 |
0.196 |
| Male | 27 | 29 | ||
| Female |
20 |
12 |
|
|
|
Size |
|
|
4.303 |
0.038 |
| <5CM | 23 | 28 | ||
| ⩾5CM |
24 |
13 |
|
|
|
Histological type |
|
|
11.049 |
0.001 |
| MSS | 19 | 31 | ||
| BSS |
28 |
10 |
|
|
|
Site |
|
|
2.842 |
0.092 |
| Extremity | 25 | 29 | ||
| Trunk |
22 |
12 |
|
|
|
FNCLCC grade |
|
|
1.014 |
0.314 |
| 2 | 26 | 27 | ||
| 3 |
21 |
14 |
|
|
|
UICC stage |
|
|
0.541 |
0.462 |
| 1 or 2 | 25 | 25 | ||
| 3 or 4 |
22 |
16 |
|
|
|
Surgery modality |
|
|
0.39 |
0.843 |
| Wide excision | 30 | 27 | ||
| Marginal excision | 17 | 14 | ||
Abbreviations: BSS=biphasic synovial sarcoma; FNCLCC=Fédération Nationale des Centers de Lutte Contre le Cancer; MSS=monophasic synovial sarcoma; UICC=International Union Against Cancer.