Table 3 Logistic regression analysis results in the identification of risk factors for retropharyngeal lymph node metastasis
Variables | OR | 95% CI | p-value |
|---|---|---|---|
Tumor site | |||
Posterior wall | 4.128 | 1.339–12.727 | 0.014 |
Others | 1 | ||
T category | |||
T1–2 | 1 | ||
T3–4 | 2.206 | 0.702–6.932 | 0.175 |
Cervical LNM | |||
No/Ipsilateral single | 1 | ||
Ipsilateral multiple | 4.190 | 0.796–22.066 | 0.091 |
Bilateral or contralateral | 11.577 | 2.135–62.789 | 0.005 |