Table 2. Baseline data of 510 HNSCC patients obtained from the TCGA database.
| Characteristics | Overall |
|---|---|
| Total | 510 |
| Sex, n (%) | |
| Female | 132 (25.9) |
| Male | 378 (74.1) |
| T, n (%) | |
| T1 | 35 (6.9) |
| T2 | 148 (29) |
| T3 | 135 (26.5) |
| T4 | 181 (35.5) |
| TX | 11 (2.2) |
| N, n (%) | |
| N0 | 241 (47.3) |
| N1 | 82 (16.1) |
| N2 | 160 (31.4) |
| N3 | 9 (1.8) |
| NX | 18 (3.5) |
| M, n (%) | |
| M0 | 485 (95.1) |
| M1 | 6 (1.2) |
| MX | 19 (3.7) |
| Stage, n (%) | |
| I | 27 (5.3) |
| II | 81 (15.9) |
| III | 94 (18.4) |
| IV | 308 (60.4) |
| Grade, n (%) | |
| G1 | 61 (12) |
| G2 | 297 (58.2) |
| G3 | 123 (24.1) |
| G4 | 7 (1.4) |
| GX | 22 (4.3) |
| Age, years, median [IQR] | 60.5 [53–68] |
TCGA, The Cancer Genome Atlas; HNSCC, head and neck squamous cell carcinoma; T, tumor; N, node; M, metastasis; IQR, interquartile range.