Preoperative embolization of primary bone tumors: A case control study

Table 1 Patient demography and baseline features of study group and control group

Study group (embolisation group, n = 26)		Control group (non-embolisation group, n = 28)
Characteristics	Number (%)	Characteristics	Number (%)
Age Group		Age Group
0-40 yr	18 (69%)	0-40 yr	18 (64%)
40-80 yr	7 (27%)	40-80 yr	10 (36%)
> 80 yr	1 (4%)
Sex		Sex
Male	15 (58%)	Male	16 (57%)
Female	11 (42%)	Female	12(43%)
Tumor histology		Tumor histology
Giant cell tumor	20 (78%)	Giant cell tumor	23 (82%)
Aneurysmal bone cyst	2 (7%)	Aneurysmal bone cyst	2 (7%)
Chondrosarcoma	2 (7%)	Chondrosarcoma	0 (0%)
Osteoblastoma	1 (4%)	Osteoblastoma	2 (7%)
Chondroblastoma	1 (4%)	Chondroblastoma	1 (4%)