Table 1.

Patient characteristics

PatientSiteTumor size*Node*Metastasis*Stage*RecurrenceRadiationRisk FactorsSolCD44 (ng/mL) ± SD
1larynx400IVnonoyes11.8 ± 3.8
2oropharynx200IInonono12.5 ± 0.7
3oral cavity400IVyesyesyes2.8 ± 0.4
4oral cavity220IVyesnono0.8 ± 0.4
5larynx100Inonoyes3.8 ± 1.1
6hypopharynx400IVyesyesyes5.4 ± 0.2
7oral cavity310IIInonoyes12.4 ± 1.5
8hypopharynx400IVnonoyes5.2 ± 1.1
9larynx100Inonoyes2.2 ± 0.2
10larynx411IVyesyesyes6.6 ± 0.7
11lymph node metastasis010IIIyesnoyes14.0 ± 2.0
12oral cavity200IIyesyesyes3.8 ± 1.0
13larynx100Inonoyes7.9 ± 0.3
14hypopharynx320IVnonoyes1.6 ± 0.4
15hypopharynx420IVnonoyes1.8 ± 0.4
16oral cavity100Inoyes§yes16.5 ± 1.5
17larynx0000nonoyes2.0 ± 0.3
18oropharynx100Inonoyes4.2 ± 0.2
19oral cavity400IVnonoyes5.5 ± 0.6
20oral cavity420IVnonoyes14.7 ± 2.3
21hypopharynx400IVnoyes§yes9.7 ± 1.0
larynx1
22larynx420IVnonoyes2.5 ± 0.8
23larynx400IVnonoyes5.6 ± 1.1
24larynx400IVnonoyes0.6 ± 0.6
25oropharynx220IVyesyesno40.0
26oropharynx111IVnonono10.2 ± 1.3
  • * Tumor, node, metastasis, and stage based on American Joint Committee on Cancer criteria (9).

  • Risk factors refer to history of tobacco and/or alcohol use.

  • Social alcohol use only.

  • § This is a second primary for the patient.