Table 4.

The association of CDK9 expression with clinic outcomes of PTC patients.

Variable	High CDK9 N = 163	Low CDK9 N = 29	P
Tumor size (cm)
≤1cm	60 (36.81)	22 (75.86)	<.001
>1cm	103 (63.19)	7 (24.14)
Capsule invasion
No	55 (33.74)	16 (55.17)	.028
Yes	108 (66.26)	13 (44.83)
Non-Delphian central lymph node
Positive	115 (70.55)	18 (62.07)	.362
Negative	48 (29.45)	11 (37.93)
Metastasis number of DLN	0.466 ± 1.062	0.035 ± 0.186	<.001
TNM stage
I-II	61 (37.42)	17 (58.62)	.032
III-IV	102 (62.58)	12 (41.38)
Multifocality
No	52 (31.90)	21 (72.41)	<.001
Yes	111 (68.10)	8 (27.59)