Table.
Patient Characteristics Including Age, Sex, Tumor Site, Overall Stage, Nodal Status, Adjuvant Therapy, Smoking, and Alcohol Use
| Characteristic | Patients (N = 48)
|
P Value | |
|---|---|---|---|
| CTCs Present (n = 34 [71%]) | No CTCs Present (n = 14 [29%]) | ||
| Age, range, y | 62.1 | 59.5 | .57 |
| Men/women, % | 62/38 | 79/21 | .26 |
| Smoking ≥ 15 P-Y, No. (%) | 26 (77) | 9 (64) | .39 |
| EtOH, moderate, No. (%) | 17 (50) | 7 (50) | >.99 |
| Follow-up, mean, mo | 19.1 | 18.9 | .17 |
| Tumor site, No. (%) | .50 | ||
| Oral cavity | 19 (56) | 6 (40) | |
| Oropharynx | 6 (18) | 4 (27) | |
| Larynx | 8 (24) | 4 (27) | |
| Hypopharynx | 1 (3) | 1 (7) | |
| Overall stage, No. (%) | .98 | ||
| 1 | 3 (9) | 1 (7) | |
| 2 | 9 (27) | 4 (29) | |
| 3 | 6 (18) | 3 (21) | |
| 4 | 16 (47) | 6 (43) | |
| Pathological nodal involvement, No. (%) | 13 (41) | 6 (60) | .42 |
| Adjuvant therapy, No. (%) | 21 (62) | 9 (64) | .87 |
| Nucleated cell log depletion, mean (SD), log10 | 2.53 (0.70) | 2.57 (0.63) | .85 |
| Total cell log depletion, mean (SD), log10 | 5.32 (0.61) | 5.31 (0.64) | .98 |
Abbreviations: CTCs, circulating tumor cells; EtOH, ethanol; P-Y, pack-years.