Table 2 Incidence of positive and negative LN regarding recurrent T stage and recurrent N stage
From: Role of elective neck dissection with salvage laryngectomy
| Â | Negative histopathology of LN | Positive histopathology of LN | Chi-square test | ||||
|---|---|---|---|---|---|---|---|
No. | % | No. | % | X2 | p-value | ||
Recurrence T stage | rT1 | 1 | 4% | 0 | 0% | 11.553 | 0.009 |
rT2 | 6 | 26% | 0 | 0% | |||
rT3 | 15 | 65% | 3 | 43% | |||
rT4 | 1 | 4% | 4 | 57% | |||
Recurrence N stage | N0 | 23 | 100% | 7 | 100% | NA | NA |
N1 | 0 | 0% | 0 | 0% | |||