Table 3.

The association between characteristics of the cohort and the positive number of the contralateral central cervical lymph node for unilateral cancer

Clinical characters	Number(%)	Contralateral central lymph node positive Number(%)	P value
Gender
Female	66(60.0)	32(48.5)	0.041
Male	44(40.0)	30(68.2)
Age
< 55	103(93.6)	58(56.3)	0.966
>  = 55	7(6.4)	4(57.1)
BMI
<  = 23.9	63(57.3)	33(52.4)	0.329
> 23.9	47(42.7)	29(61.7)
Multifocality
No	85(77.3)	48(56.5)	0.967
Yes	25(22.7)	14(56.0)
T stage			0.794
T1,2,3a	106(96.4)	60(56.6)
T3b,4a,4b	4(3.6)	2(50.0)
Ipsilateral central cervical lymphatic metastasis
No	24(21.8)	11(45.8)	0.239
Yes	86(78.2)	51(59.3)
Contralateral central cervical lymph node
No	48(43.6)
Yes	62(56.4)