Table 1.
Demographic and clinical data for the 45 samples included in the study.
| Parameter | Non-PNI (n = 9) | Focal (n = 11) | Extensive (n = 25) | p-value1 |
|---|---|---|---|---|
| Mean age, years (range) | 69.6 | 70.8 | 71.0 | NS (p = 0.46) |
| Sex, n (%) | ||||
| Female | 1 | 1 | 4 | NS (p = 0.31) |
| Male | 8 | 10 | 21 | |
| Location of primary tumor, n (%) | ||||
| Scalp | 4 | 1 | 8 | p < 0.01* |
| Ear and temple | 5 | 5 | 8 | |
| Nose and midface | 0 | 2 | 8 | |
| Lip | 0 | 2 | 1 | |
| Neck | 0 | 1 | 0 | |
| Size of primary tumor | ||||
| Average tumor width (mm) | 33 | 34 | 33 | NS (p = 0.98) |
| Average tumor thickness (mm) | 10 | 12 | 11 | NS (p = 0.89) |
| T-stage, n (%) | ||||
| 1 | 3 | 1 | 0 | p < 0.0001* |
| 2 | 1 | 6 | 0 | |
| 3 | 4 | 4 | 23 | |
| 4 | 1 | 0 | 2 | |
| N-stage, n (%) | ||||
| 0 | 7 | 8 | 21 | NS (p = 0.31) |
| 1 | 0 | 1 | 2 | |
| 2 | 0 | 2 | 2 | |
| 3 | 2 | 0 | 0 | |
| AJCC overall stage, n (%) | ||||
| I | 3 | 1 | 0 | p < 0.0001* |
| II | 1 | 4 | 0 | |
| III | 3 | 4 | 22 | |
| IV | 2 | 2 | 3 | |
| Recurrence | ||||
| Yes | 3 | 3 | 14 | p < 0.01* |
| No | 6 | 8 | 11 | |
| Outcome | ||||
| Alive, no evidence of disease | 6 | 8 | 9 | p < 0.0001* |
| Dead of disease | 1 | 1 | 7 | |
| Alive with disease | 0 | 1 | 6 | |
| Dead of other causes | 2 | 1 | 3 | |
| Average follow up (months) | 50 | 43 | 23 | |