TABLE 2.
Multivariate analysis of factors associated with likelihood of identifying positive lymph node(s) on neck dissection of patients with clinically T1‐2, N0 mucoepidermoid carcinoma
| % positive LN(s) on pathology | OR a | 95%CI | p‐value | |
|---|---|---|---|---|
| Grade | ||||
| Well differentiated | 1.97 | Reference | ||
| Moderately differentiated | 5.71 | 3.84 | 1.23, 12.01 | 0.021 |
| Poorly differentiated | 14.84 | 5.08 | 1.40, 18.48 | 0.014 |
| Pathological T | ||||
| 1–2 | 3.92 | Reference | ||
| 3–4 | 19.23 | 3.05 | 1.16, 7.99 | 0.023 |
| Surgical margins | ||||
| Negative | 3.77 | Reference | ||
| Positive | 11.43 | 2.63 | 1.13, 6.12 | 0.025 |
| Lymphovascular invasion | ||||
| Not present | 3.62 | Reference | ||
| Present | 22.73 | 4.53 | 1.36, 15.05 | 0.014 |
Abbreviations: CI, confidence interval; ECE, extracapsular extension; LN, lymph node; OR, odds ratio.
a
Multivariate logistic regression model included all the variables listed in the table except lymphovascular invasion as it was analyzed in a separate model that also included the other variables because lymphovascular invasion was only available for years 2010–2016.