Table I.

Comparison of variables between the two groups.

Variables	Nail-cement spacer (n = 20)	Endoprosthesis (n = 20)	P value
Mean age in years (range)	27.5 (5-60)	26 (10-66)	.639
Sex			.209
Male (n = 18)	11	7
Female (n = 22)	9	13
Diagnosis			.187
Osteosarcoma (n = 15)	5 (25%)	10 (50)%
Ewing’s sarcoma (n = 11)	7 (35%)	4 (20%)
Chondrosarcoma (n = 5)	3 (15%)	2 (10%)
GCTB (n = 6)	3 (15%)	3 (15%)
Others (n = 3)	2 (10%)	1 (5%)
Chemotherapy received			.617
Yes (n = 29)	14	15
No (n = 11)	6	5
Follow-up in months (range)	29.4 (12-95)	33.35 (14-95)	.432

GCTB, giant cell tumor of bone.