Table 2.
Detailed survival analysis of the cases included in the individual patient analysis (n = 172).
| Factor | Number of patients | HR for OS [95% CI] | P value | HR for DFS [95% CI] | P value |
|---|---|---|---|---|---|
| Age | Mean 68.58 | 1.039 [0.98–1.09] | 0.13 | 1.003 [0.97–1.03] | 0.83 |
| Tumor size | Mean 1.85 | 0.59 [0.23–1.5] | 0.27 | 1.017 [0.65–1.53] | 0.93 |
| Gender | 0.212 | 0.55 | |||
| Male | 78 | 1.86 [0.69–5.02] | 1.23 [0.62–2.44] | ||
| Female | 83 | Referent | Referent | ||
| Regional nodal treatment | |||||
| None | 100 | 0.17 [0.04–0.72] | 0.16 | 0.28 [0.1–0.78] | 0.015 |
| Nodal dissection | 23 | 0.78 [0.18–3.31] | 0.74 | 0.68 [0.22–2.14] | 0.51 |
| Radiotherapy | 37 | 0.66 [0.11–3.99] | 0.65 | 0.37 [0.1–1.29] | 0.12 |
| Both | 12 | Referent | Referent | Referent | Referent |
| Tumor location | |||||
| Limbs | 95 | 0.95 [0.33–2.71] | 0.93 | 0.73 [0.37–1.46] | 0.38 |
| Trunk | 8 | 2.08 [0.24–17.52] | 0.46 | 1.95 [0.56–6.77] | 0.29 |
| Head and neck | 69 | Referent | Referent | Referent | Referent |
| SLN status | 0.002 | 0.015 | |||
| Positive | 65 | 6.13 [1.97–19.07] | 2.25 [1.16–4.33] | ||
| Negative | 107 | Referent | Referent |