Table 2. Multivariate Cox regression analysis for prognostic factors in the nonrecurrent HNSCCs (n=56).
| No. of cases | RR (95% CI) | P-value | |
|---|---|---|---|
|
Ron and pEGFR status | |||
| Ron+pEGFR+ | 24 | 2.42 (0.47–12.5) | 0.29 |
| Ron−pEGFR+ | 8 | 2.71 (0.38–19.3) | 0.32 |
| Ron+pEGFR− | 8 | 2.76 (0.37–20.5) | 0.32 |
| Ron−pEGFR− |
16 |
1 |
— |
|
Staging | |||
| 1/2 | 8 | 1 | — |
| 3/4 | 45 | 1.60 (0.18–14.4) | 0.67 |
| Missing |
3 |
— |
|
|
Treatment (Rad/Chemo) | |||
| Yes | 37 | 2.87 (0.32–26.0) | 0.35 |
| No | 13 | 1 | — |
| Missing | 6 | — | |
Abbreviations: Chemo=chemotherapy; CI=confidence interval; HNSCC=head and neck squamous cell carcinoma; pEGFR=phosphorylated epidermal growth factor receptor; Rad=radiation; RR=relative risk.