Table 1. Associations of YTHDF3 expression with clinicopathological characteristics for triple-negative breast cancer patients.

Characteristics	All patients(n=224)			Low YTHDF3 (n=123)		High YTHDF3 (n=101)	P valuea
	No.	(%)		No.		No.
Age at diagnosis(years)							0.570
≤50	104	46.4		55		49
>50	120	53.6		68		52
Tumor size							0.706
≤2 cm	94	42.0		53		41
>2 cm	130	58.0		70		60
Lymph node metastasis							0.028
No	131	58.5		80		51
Yes	93	41.5		43		50
Tumor Grade							0.014
I + II	84	37.5		55		29
III	140	62.5		68		72
Lymphovascular invasion							0.121
No	141	62.9		83		58
Yes	83	37.1		40		43

^a, the P value was calculated among all groups by the Chi-square test. YTHDF3, the YTH domain family 3.