Table 2 Metastasis rate of grouped lymph node stations by pathological examination
Lymph node station | Metastasis rate (%) | 3 years survival rate with nodal metastasis patients (%) | Therapeutic value index (Metastasis rate×3 years survival rate with nodal metastasis patients×100) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Tumor length > = 4CM | Tumor length < 4CM | Total | Tumor length > = 4CM | Tumor length < 4CM | Total | Tumor length > = 4CM | Tumor length < 4CM | Total | |
KDLN | 7.2% (10/139) | 45.5% (5/11) | 10% (15/150) | 76.2% | 53.3% | 58.4% | 5.5 | 24.3 | 5.8 |
1 | 15.8% (22/139) | 45.5% (5/11) | 18% (27/150) | 45.7% | NA | 42.1% | 7.2 | NA | 7.6 |
2 | 15.8% (22/139) | 36.4% (4/11) | 17.3% (26/150) | 46.3% | NA | 39% | 7.3 | NA | 6.7 |
3 | 28.1% (39/139) | 54.5% (6/11) | 30% (45/150) | 65.4% | NA | 59.5% | 18.4 | NA | 17.9 |
4 | 10.8% (15/139) | 27.3% (3/11) | 12% (18/150) | 46.4% | NA | 35.3% | 5 | NA | 4.2 |
5 | 4.3% (6/139) | 27.3% (3/11) | 6% (9/150) | 66.7% | 66.7% | 66.7% | 2.9 | 18.2 | 4 |
6 | 4.3% (6/139) | 36.4% (4/11) | 6.7% (10/150) | 83.3% | NA | 53.3% | 3.6 | NA | 3.6 |
7 | 17.3% (24/139) | 18.2% (2/11) | 17.3% (26/150) | 50.5% | NA | 46.4% | 8.7 | NA | 8 |
8 | 9.2% (9/98) | 27.3% (3/11) | 11% (12/109) | 41.7% | NA | 32.1% | 3.8 | NA | 3.5 |
9 | 14% (13/93) | 20% (2/10) | 14.6% (15/103) | 54.9% | NA | 63.5% | 7.7 | NA | 9.3 |
10 | 20% (4/20) | 25% (1/4) | 20.8% (5/24) | NA | NA | NA | NA | NA | NA |
11 | 5.2% (4/77) | 22.2% (2/9) | 7% (6/86) | NA | NA | NA | NA | NA | NA |
12a | 3% (2/67) | 0% (0/8) | 2.7% (2/75) | NA | NA | NA | NA | NA | NA |
All | 45.3% (63/139) | 63.6% (7/11) | 46.7% (70/150) | 76.0% | 56.3% | 73.0% | 34.4 | 35.8 | 34.1 |