Table 1.

Clinical information on high and low IS HNSCC samples

Clinical variable	High IS HNSCC	Low IS HNSCC
Number	92	92
Age (years)	61.5 ± 10.8	58.8 ± 11.0
Gender	male	male
IS range	537.8–2034.8	−1745.3–-473.5
Clinical stage
Stage I-III	34	41
Stage IV	56	46
Unknown	2	5
Race
White	84	72
Other	8	20
Vital status
Alive	62	43
Dead	30	39