Table 1.
Patient characteristics of the two radiomic clusters. P-values were computed using Fisher’s exact test. For age, Wilcoxon rank sum test was used.
| Characteristics | Radiomic Cluster 1 (N=39) | Radiomic Cluster 2 (N=38) | P-value |
|---|---|---|---|
| Age at treatment, years (standard deviation) | 60.8 (10.8) | 61.4 (8.7) | 0.8464 |
| T-stage | 0.2911 | ||
| T1 | 1 | 0 | |
| T2 | 8 | 3 | |
| T3 | 14 | 15 | |
| T4 | 16 | 20 | |
| N-stage | 0.8636 | ||
| N0 | 16 | 19 | |
| N1 | 5 | 5 | |
| N2 | 15 | 12 | |
| N3 | 3 | 2 | |
| Subsite | 0.0096 | ||
| Oral cavity | 15 | 23 | |
| Larynx | 14 | 14 | |
| Oropharynx | 10 | 1 | |
| HPV status | 0.0127 | ||
| Positive | 11 | 2 | |
| Negative | 28 | 36 |