Table I.

Clinicopathological characteristics of the 60 patients with osteosarcoma.

		Let-7b expression
Characteristic	n	Low (n=36)	High (n=24)	P-value
Sex				0.830
Male	36	22	14
Female	24	14	10
Age, years				0.863
<18	36	24	12
≥18	34	22	12
Tumor size, cm				0.045
≥5	32	23	9
<5	28	13	15
TNM stage				0.001
IIA	29	11	18
IIB/III	31	25	6
Lung metastasis				0.020
Yes	31	23	8
No	29	13	16

TNM, Tumor-Node-Metastasis.