Blood transfusions		D1 dissection		Modified D2 dissection		P value
Blood transfusions		No.	% age	No.	% age	P value
Pre-op blood transfusion	None	18	78.3	17	63.0	0.501 (NS)
	One	3	13.0	6	22.2
	Two	2	8.7	4	14.8
Intra-op blood transfusion	None	20	87.0	10	37.0	0.001 (Sig)
Intra-op blood transfusion	One	3	13.0	17	63.0	0.001 (Sig)
Post-op blood transfusion	None	19	82.6	16	59.3	0.137 (NS)
Post-op blood transfusion	One	4	17.4	11	40.7	0.137 (NS)
Volume of Blood Loss (ml)	(Mean ± SD)	700.78 ± 47.945		880.11 ± 64.785		<0.001 (Sig)
Duration of Surgery (Minute)	(Mean ± SD)	168.87 ± 17.03		288 ± 20.094		<0.001 (Sig)