Table 2. Univariate analysis for 5-year overall survival with patient and tumour characteristics.
| Factor | No. of patients | 5-year overall survival (%) | P-value (log-rank tests) |
|---|---|---|---|
|
Age |
|
|
0.018 |
| <33 | 46 | 63 | |
| ⩾33 |
42 |
31.4 |
|
|
Sex |
|
|
0.408 |
| Male | 56 | 51.7 | |
| Female |
32 |
46.1 |
|
|
Size |
|
|
<0.01 |
| <5CM | 51 | 72.1 | |
| ⩾5CM |
37 |
15.9 |
|
|
Histological type |
|
|
0.193 |
| MSS | 50 | 41.4 | |
| BSS |
38 |
57.8 |
|
|
Site |
|
|
0.05 |
| Extremity | 54 | 58.2 | |
| Trunk |
34 |
36.1 |
|
|
FNCLCC grade |
|
|
<0.01 |
| 2 | 53 | 70.6 | |
| 3 |
35 |
22.9 |
|
|
UICC stage |
|
|
<0.01 |
| 1 or 2 | 50 | 68.9 | |
| 3 or 4 |
38 |
22.7 |
|
|
Fusion gene |
|
|
0.01 |
| SS18-SSX1 | 47 | 35.1 | |
| SS18-SSX2 |
41 |
63.3 |
|
|
Surgery modality |
|
|
0.5 |
| Wide excision | 57 | 53.3 | |
| Radical excision |
31 |
41.5 |
|
|
Radiotherapy |
|
|
0.056 |
| No | 64 | 21.5 | |
| Yes |
24 |
37.5 |
|
|
Chemotherapy |
|
|
0.143 |
| No | 67 | 44.4 | |
| Yes | 21 | 49.8 |
Abbreviations: BSS=biphasic synovial sarcoma; FNCLCC=Fédération Nationale des Centers de Lutte Contre le Cancer; MSS=monophasic synovial sarcoma; UICC=International Union Against Cancer.