Table 2.

Expression of CDK1 in THCA based on the TCGA and GTEx RNA-seq data

Clinicopathological features		n	CDK1 expression (log2 (TPM +0.001))
			Mean ± SD	t/F value	p value
Tissue	THCA	512	1.8525 ± 0.74073	12.941a	<0.001
	Normal	316	1.1769 ± 0.71166
Gender	Male	136	1.9056 ± 0.76938	0.926a	0.355
	Female	368	1.8375 ± 0.71935
Age	≤45	238	1.9702 ± 0.68887	3.347a	0.001
	>45	266	1.7535 ± 0.75714
Racec	Asia	51	1.9268 ± 0.71100	0.519b	0.596
	Black/African American	27	1.7537 ± 0.82126
	White	333	1.8856 ± 0.72397
Pathologic T staged	T1-T2	308	1.8853 ± 0.70984	1.190a	0.235
	T3-T4	194	1.8054 ± 0.76813
Pathologic N stagee	N0	229	1.8098 ± 0.76498	-1.569a	0.117
	N1	225	1.9185 ± 070954
Pathologic M stagef	M0	281	1.8742 ± 0.72134	-0.879a	0.380
	M1	9	2.0900 ± 0.84321
Pathologic TNM stagesg	I-II	335	1.8906 ± 0.69509	1.519a	0.129
	III-IV	167	1.7851 ± 0.80503

^aStudent’s 2-sample independent t-test was applied.

^bOne-way analysis of variance (ANOVA) test was conducted.

^c93 samples were not identified.

^d2 TX samples were excluded.

^e50 NX samples were excluded.

^f213 MX samples were excluded and 1 sample was not identified.

^g2 samples were not identified.