Table 5 Results of Fisher’s exact test for the identification of risk factors for retro-styloid lymph node metastasis
Variables | Total cohort (Column %) | RSLN positive (Column %) | RSLN negative (Column %) | p-value |
|---|---|---|---|---|
n = 155 | n = 2 | n = 153 | ||
LN at the upper limit of ipsilateral level II | ||||
< 15 mm | 150 (97) | 0 (0) | 150 (98) | 0.001 |
≥15 mm | 5 (3) | 2 (100) | 3 (2) |