Table 1. Correlations between RanBP9 and TSSC3 expression and the clinicopathological features of osteosarcoma.

			RanBP9			TSSC3
Clinical characteristics	Group	n	Positive	Negative	P-valuea	Positive	Negative	P-valuea
Age (years)	11–20	34	27	7	0.182	25	9	0.407
	21–30	23	21	2		19	4
	≥31	23	16	7		15	8
Gender	Male	53	41	12	0.408	37	16	0.262
	Female	27	23	4		22	5
Tumor location	Limbs	70	57	13	0.398	54	16	0.068
	Others	10	7	3		5	5
Stage	I	6	6	0	0.001b	6	0	0.004b
	II	61	55	6		48	13
	III	13	3	10		5	8
Lung metastasis	Yes	13	3	10	<0.001b	5	8	0.002b
	No	67	61	6		54	13
Local recurrence	Yes	15	7	8	<0.001b	7	8	0.008b
	No	65	57	8		52	13
Grade	Low	6	6	0	0.203	6	0	0.129
	High	74	58	16		53	21
Histological type	Osteoblastic	28	19	9	0.083	21	7	0.824
	Fibroblastic	4	3	1		3	1
	Chondroblastic	32	26	6		22	10
	Others	16	16	0		13	3
Tumor size	<10 cm	65	52	13	1.000	46	19	0.207
	≥10 cm	15	12	3		13	2

^aPearson's χ² test

^bWith significant difference