Table 1.

Characteristics of the PTC patients and associations with GRK6 expression level.

Variable	Cases (n=108)	GRK6 expression		P value
		Low (n=61)	High (n=47)
Age (years)				0.108
≤46 yrs	48	23	25
>46 yrs	60	38	22
Gender				0.448
Female	86	47	39
Male	22	14	8
Tumor size				0.045*
≤2.0 cm	71	45	26
>2.0 cm	37	16	21
ETE				0.527
Negative	56	30	26
Positive	52	31	21
TCI				0.118
Negative	73	45	28
Positive	35	16	19
LN metastasis				0.233
Negative	84	50	34
Positive	24	11	13
TNM stage				0.001*
I–II	75	50	25
III–IV	33	11	22

ETE – extrathyroidal extension; TCI – thyroid capsular invasion; LN – lymph node.

^*P<0.05.