Table 1 Subjects’ demographics
Characteristics | Value |
|---|---|
Number of lymph nodes | 90 |
Metastatic lymph nodes | 65 (72.2%) |
Benign lymph nodes | 25 (27.7%) |
Mean age (year) | |
Baseline (healthy subjects) | 53.4 ± 4.1 (37–64) |
Metastatic disease patients | 62.3 ± 8.3 (41–82) |
Sex (overall) | |
Male | 59 (65.6%) |
Female | 31 (34.4%) |
Primary HNSCC characteristics | |
Baseline | 25 (27.7%) |
Pharyngeal SCC | 22 (24.4%) |
Oropharyngeal SCC | 12 (13.3%) |
Hypopharyngeal SCC | 10 (11.1%) |
Laryngeal SCC | 18 (20.0%) |
Oral carcinoma | 23 (25.6%) |
Sinus carcinoma | 2 (2.2%) |
Pharyngeal SCC | 27 (29.3%) |
Tumor grade | |
Baseline | 25 (27.7%) |
Well differentiated | 9 (10.0%) |
Moderately differentiated | 34 (37.8%) |
Poorly differentiated | 22 (24.4%) |
T category | |
Baseline | 25 (27.7%) |
T1 | 8 (8.7%) |
T2 | 27 (30.0%) |
T3 | 30 (33.3%) |
T4 | 25 (27.8%) |
N category | |
Baseline | 25 (27.7%) |
N1 | 14 (15.6%) |
N2 | 43 (46.7%) |
N3 | 8 (8.9%) |
M category | |
Baseline | 25 (27.7%) |
M0 | 56 (62.3%) |
M1 | 9 (10.0%) |