Synovial Sarcoma of the Head and Neck: A Single Institution Review

Table 2

Comparison of median survival times.

Variable	Median PFS duration, years	Log-rank test value	Median OS duration, years	Log-rank test value
Sex
Male	5.41	0.21	NA	0.87
Female	3.47		NA
Race
White	NA	0.38	7.28	0.09
Other	4.18		NA
Tumor size
≥5 cm	3.33	0.008	NA	0.78
<5 cm	NA		NA
Subtype
Monophasic	4.17	0.745	7.9	1.00
Biphasic	NA		NA
Poorly differentiated	5.41		7.22
Surgical margin
Positive	NA	0.52	NA	0.98
Margin	NA		NA
Fusion gene
Present	4.02		NA
Site
Neck	3.47	0.04	7.28	0.27
Other	NA		NA
Treatment
Definitive local therapy	5.41	0.78	NA	0.80
Local + systemic therapy	4.58		NA

Note. “NA” indicates that median survival was not reached; PFS: progression-free survival; OS: overall survival.