Table 1.

KIF2A expression in 120 cancer tissues and pathological characteristics

Variable	n	KIF2A expression (scores)	Multiple regression analysis
		Mean ± SD	P-value
Age
<50	75	7.09 ± 0.76	0.533
≥50	45	7.00 ± 0.74
Tumor size(cm)
≤2	44	6.89 ± 0.62	0.571
>2	72	7.18 ± 0.79
>5	4	6.75 ± 0.96
Tumor grade
I	30	7.03 ± 0.81	0.071
II	73	7.10 ± 0.71
III	17	6.94 ± 0.83
Lymph metastasis
Positive	72	7.31 ± 0.66	<0.001**
Negative	48	6.69 ± 0.72
ER
Positive	81	7.02 ± 0.74	0.802
Negative	39	7.13 ± 0.77
PR
Positive	68	7.00 ± 0.73	0.749
Negative	52	7.13 ± 0.77
HER2
Positive	30	7.33 ± 0.76	0.047*
Negative	90	6.97 ± 0.73
Total	120

^*difference between the two groups is statistically significant, P = 0.047.

^**difference between the two groups is statistically significant, P < 0.001.