Preoperative embolization of primary bone tumors: A case control study

Table 6 Comparing our results with literature reports

Ref.	Year	No. of patients	Type of study	Result
Thiex et al[29]	2013	104	Retrospective	EBL = 100-15000 mL
				BT = 0-99 units
Ibrahim et al[36]	2013	18	Retrospective	EBL = 1100-2600 mL
				MBL = 1400 mL
				BT = 0-8 units
Kobayashi et al[27]	2012	62	Retrospective	EBL = 250-11000 mL
				MBL = 2554 mL
				BT = 0-28 units
Al-Hadithy et al[20]	2011	26	Retrospective	EBL = 100-1800 mL
				BT = 0-3 units
Zhang et al[32]	2009	47	Retrospective	EBL = 705±120 mL
				BT = 689±133 mL
Lee et al[13]	2008	6	Prospective	EBL = 200-830 mL
				BT = Nil
Our study	2012-2013	26 (study group)	Case control study	For study group
				EBL = 250-2900 mL
				BT = 0-1400 mL
		28 (control group)		For control group
				EBL = 800-6000 mL
				BT = 700-8400 mL
				P < 0.05

EBL: Estimated blood loss; MBL: Mean blood loss; BT: Blood transfusion.