Table 1: Patient and treatment characteristics.
| Characteristic | Total |
| (n = 1595) | |
| Age at diagnosis | |
< 40 40-59 60-79 80+ |
242 687 543 123 |
| Race | |
White Black Asian/Pacific Islanders Other/Unknown |
1229 153 189 24 |
| Gender | |
Female Male |
952 643 |
| Radiation | |
Yes No Unknown |
1116 454 25 |
| Surgery | |
Yes No Unknown |
535 62 998 |
| Surgery Type | |
Gross Partial None Other/Unknown |
383 148 62 1002 |
| Lymph Node Involvement | |
Yes No Unknown |
392 1194 9 |
| Tumor Size (mms in largest dimension) | |
< 21 21-40 > 40 Unknown |
599 586 181 229 |
| Tumor Site | |
Major Salivary Glands Palate Unspecified Mouth Parts Tongue Mouth Floor Nasopharynx Lip Other |
935 266 111 108 43 53 49 30 |