Table I.

Association between serum levels of miRNA-373 and clinicopathological data of patients with urinary bladder cancer.

			miRNA-373 expression groups
Patient characteristics	Groups	Cases, n	High	Low	χ2	P-value
Sex	Male	40	19	21	0.68	0.41
	Female	15	9	6
Age, years	≥45	27	15	12	0.46	0.50
	<45	28	13	15
Primary tumor diameter, cm	≥2	32	20	12	4.11	0.04
	<2	23	8	15
Distant metastasis	Yes	26	18	8	6.62	0.01
	No	29	10	19
Smoking	Yes	31	15	16	0.18	0.67
	No	24	13	11
Drinking	Yes	38	20	18	0.15	0.70
	No	17	8	9

miRNA, microRNA.