Table 1. Clinicopathologic variables and the expression status of DBC1 and androgen receptor in 35 osteosarcoma patients.

Characteristics		N	DBC1		AR
			positive	p	positive	p
Age, yr	<30	25	11 (44%)	0.392	12 (48%)	0.915
	≥30	10	6 (60%)		5 (50%)
Sex	Female	10	1 (10%)	0.004	3 (30%)	0.164
	Male	25	16 (64%)		14 (56%)
Tumor size, cm	≤8	17	5 (29%)	0.028	8 (47%)	0.862
	>8	18	12 (67%)		9 (50%)
Stage	I	11	2 (18%)	0.035	1 (9%)	0.005
	II	19	11 (58%)		12 (63%)
	III–IV	5	4 (80%)		4 (80%)
Distant metastasis	Absence	30	13 (43%)	0.129	13 (43%)	0.129
	Presence	5	4 (80%)		4 (80%)
Histological grade	Low	11	2 (18%)	0.015	1 (9%)	0.002
	High	24	15 (63%)		16 (67%)
Histologic type	Conventional	31	16 (52%)	0.316	14 (45%)	0.261
	Non-conventional	4	1 (25%)		3 (75%)
AR	Negative	18	4 (22%)	0.001
	Positive	17	13 (76%)

DBC1, deleted in breast cancer 1; AR, androgen receptor.