Table 3. Associations of miRNA-24 expression levels with clinicopathological characteristics.

Variable	N = 94a	Median (*10−3 miRNA-24/RNU6)	Interquartile range (*10−3 miRNA-24/RNU6)	P b
Age (years)
<50	28	0.755	0.75	0.38
≥50	64	0.915	1.40
Menopausal status
Premenopausal	26	0.795	0.87	0.58
Postmenopausal	68	0.890	1.41
Tumor type
Ductal	75	0.840	0.99	0.87
Lobular	8	1.060	1.84
Other (mixed/unknown)	11	0.940	1.19
Tumor size
pT1	49	0.870	0.98	1.00
pT2	40	0.840	1.41
pT3/4	4	0.875	1.18
Histological grade
I/II	22	0.610	0.75	0.02
III	53	0.910	1.32
Estrogen Receptor
negative	65	0.880	1.02	0.69
positive	27	0.710	1.16
Progestrone Receptor
negative	77	0.890	1.38	0.40
positive	15	0.670	0.67
Human Epidermal Growth Factor Receptor 2
negative	67	0.830	1.36	0.90
positive	25	0.890	0.92

^aDue to missing values, numbers do not always add up to 94.

^b P tested with Mann-Whitney U test or Kruskal-Wallis Test where appropriate.