Table 1. Selected characteristics of OSCC patients by sample type and controls, University of Washington Affiliated Medical Centers, 2003–2010.
OSCC | Control | |||||
Tumor sample | Uninvolved oral sample | Normal oral sample | ||||
(n = 167*) | (n = 58) | (n = 45) | ||||
Characteristic | n | % | n | % | n | % |
Age | ||||||
19–39 | 7 | 4.2 | 4 | 6.9 | 17 | 37.8 |
40–49 | 26 | 15.6 | 10 | 17.3 | 14 | 31.1 |
50–59 | 57 | 34.1 | 18 | 31.0 | 5 | 11.1 |
60–90 | 77 | 46.1 | 26 | 44.8 | 9 | 20.0 |
Gender | ||||||
Male | 120 | 71.9 | 41 | 70.7 | 32 | 71.1 |
Female | 47 | 28.1 | 17 | 29.3 | 13 | 28.9 |
Race | ||||||
White | 152 | 91.0 | 54 | 93.1 | 31 | 68.9 |
Non-white | 15 | 9.0 | 4 | 6.9 | 14 | 31.1 |
Smoking status | ||||||
Never/Former | 86 | 51.5 | 37 | 63.8 | 33 | 73.3 |
Current | 81 | 48.5 | 21 | 36.2 | 12 | 26.7 |
Drinking status | ||||||
Never/Former | 55 | 33.5 | 23 | 39.7 | 11 | 25.0 |
Current | 109 | 66.5 | 35 | 60.3 | 33 | 75.0 |
Unknown | 3 | 1 | ||||
AJCC staging | ||||||
I | 39 | 23.3 | 15 | 26.3 | ||
II | 16 | 9.6 | 9 | 15.8 | ||
III | 22 | 13.2 | 8 | 14.0 | ||
IV | 90 | 53.9 | 25 | 43.9 | ||
Unknown | 1 |
49 of 167 OSCC patients provided both tumor tissue and uninvolved oral tissue.