Table 2.

Clinical features of both groups

	Mean	Range	Statistical value
Group A
Age (years)	75.9	51–86	—
Preop Hb (g/dl)	14.2	11.7–17.4	P=0.2
Total BL (cc)	743.2	270–1,485	P=0.2
Group B
Age (years)	76	55–85	—
Preop Hb (g/dl)	14.2	12.8–17.1	P=0.2
Total BL (cc)	692.5	218–1,830	P=0.2

BL= blood loss