Table 3.
Number of harvested and metastatic lymph nodes in patients who received lateral neck dissection
| Parameter | Transverse Incision group n = 62 | Hockey stick Incision group n = 35 | P value | |
|---|---|---|---|---|
| Total | Harvested LN, n | 36.67 ± 19.99 | 32.06 ± 16.34 | .263 |
| Metastatic LN, n | 10.29 ± 7.61 | 8.87 ± 6.73 | .378 | |
| Ratio (%) | 30.74 ± 17.70 | 28.30 ± 20.55 | .550 | |
| Central (level VI) | Harvested LN, n | 10.07 ± 8.45 | 7.83 ± 6.79 | .214 |
| Metastatic LN, n | 5.05 ± 4.71 | 3.60 ± 2.84 | .126 | |
| Ratio (%) | 52.94 ± 31.62 | 61.08 ± 34.57 | .271 | |
| Lateral | Harvested LN, n | 27.70 ± 15.49 | 29.29 ± 10.97 | .631 |
| Metastatic LN, n | 5.65 ± 4.09 | 6.52 ± 4.89 | .393 | |
| Ratio (%) | 23.98 ± 17.33 | 22.87 ± 15.90 | .777 | |
| Level II | Harvested LN, n | 9.82 ± 6.12 | 9.63 ± 4.49 | .885 |
| Metastatic LN, n | 2.42 ± 1.82 | 2.33 ± 2.05 | .848 | |
| Ratio (%) | 33.63 ± 32.72 | 24.83 ± 22.99 | .243 | |
| Level III | Harvested LN, n | 7.96 ± 4.72 | 8.48 ± 3.20 | .609 |
| Metastatic LN, n | 2.06 ± 1.89 | 2.11 ± 2.04 | .906 | |
| Ratio (%) | 28.49 ± 27.72 | 24.69 ± 23.86 | .545 | |
| Level IV | Harvested LN, n | 8.13 ± 4.96 | 8.29 ± 6.88 | .899 |
| Metastatic LN, n | 1.67 ± 1.55 | 1.89 ± 2.15 | .595 | |
| Ratio (%) | 23.05 ± 22.23 | 26.15 ± 31.04 | .636 | |
| Level V | Harvested LN, n | 6.36 ± 5.21 | 5.63 ± 4.48 | .597 |
| Metastatic LN, n | 0.36 ± 0.86 | 0.63 ± 0.83 | .258 | |
| Ratio (%) | 7.99 ± 22.19 | 11.98 ± 17.38 | .489 | |
All values in the table are mean ± SD
LN lymph node, n number, SD standard deviation