Table 1.
The association between characteristics of the cohort and lymphatic metastasis in level IIB
| Clinical characters | Number(%) | Lymph node positive number in level IIB(%) | Univariate P value |
Multivariate P value |
|---|---|---|---|---|
| Gender | ||||
| Female | 141(64.7) | 15(10.6) | 0.289 | – |
| Male | 77(35.3) | 12(15.6) | ||
| Age | ||||
| < 55 | 198(90.8) | 22(11.1) | 0.072 | – |
| > = 55 | 20(9.2) | 5(25.0) | ||
| BMI | ||||
| < = 23.9 | 129(59.2) | 16(12.4) | 0.992 | – |
| > 23.9 | 89(40.8) | 11(12.3) | ||
| Tumor sides | ||||
| Unilateral cancer | 137(62.8) | 15(10.9) | 0.402 | – |
| Bilateral cancer | 81(37.2) | 12(14.8) | ||
| Multifocality | ||||
| No | 152(69.7) | 19(12.5) | 0.938 | – |
| Yes | 66(30.3) | 8(12.1) | ||
| T stage | 0.549 | |||
| T1,2,3a | 207(95) | 25(12.1) | – | |
| T3b,4a,4b | 11(5) | 2(18.2) | ||
| Braf(20 cases) | 0.274 | |||
| Negative | 7(35.0) | 0(0) | – | |
| Positive | 13(65.0) | 2(15.4) | ||
| PN1b | ||||
| Unilateral lymph node metastasis | 187(85.8) | 15(8.0) | 0.000 | 0.159 |
| Bilateral lymph node metastasis | 31(14.2) | 12(38.7) | ||
| IIA Positive | 0.001 | |||
| No | 111(50.9) | 6(5.4) | 0.010 | |
| Yes | 107(49.1) | 21(19.6) | ||
| IIB Positive | ||||
| No | 191(87.6) | |||
| Yes | 27(12.4) | |||
| III Positive | 0.808 | |||
| No | 44(20.2) | 5(11.4) | ||
| Yes | 173(79.4) | 22(12.7) | – | |
| IV Positive | 0.476 | |||
| No | 61(28) | 6(9.8) | – | |
| Yes | 157(72) | 21 | ||
| V Positive | 0.186 | |||
| No | 211(96.8) | 25(11.8) | – | |
| Yes | 7(3.2) | 2(28.6) | ||