Expression and predictive value of miR-489 and miR-21 in melanoma metastasis

Table 3 Relationship between expression of miR-489 and clinicopathological characteristics of melanoma

Variable	n	miR-489	t/F	P-value
Age (yr)			1.341	0.185
≤ 50	23	0.43 ± 0.26
> 50	37	0.51 ± 0.20
Gender			1.975	0.063
Male	30	0.54 ± 0.18
Female	30	0.42 ± 0.28
Tumor size (cm)			0.439	0.779
≤ 2	17	0.45 ± 0.30
> 2	43	0.39 ± 0.16
Lesion site			0.912	0.366
Non-acral	44	0.50 ± 0.22
Acral	16	0.44 ± 0.24
TNM stage			4.269	0.009
I	7	0.62 ± 0.29
II	8	0.48 ± 0.24
III	25	0.47 ± 0.22
IV	20	0.31 ± 0.17
Metastasis			5.622	< 0.001
Yes	45	0.30 ± 0.16
No	15	0.64 ± 0.30