Table 2.

Patient demographics.

	Male	Female	Total Sample
Age	65.9 ± 10.0 y	69.4 ± 11.9 y	66.9 ± 10.7 y
Sex	289 (72.1%)	112 (27.9%)	401
BSA (m2)	1.95 ± 0.16	1.64 ± 0.13	1.87 ± 0.21
Hb pre-op (g/L)	141 ± 13	128 ± 13	137 ± 15
TPP (u)	275.4 ± 37.0	210.1 ± 28.4	257.2 ± 45.5
Primary dilution volume (mL)	2660 ± 463	2387 ± 363	2584 ± 453
Secondary dilution volume (mL)	1973 ± 1063	1678 ± 1066	1887 ± 1077
Received RBCs in OR (%)	16 (5.5%)	36 (32%)	52 (13%)
Average transfusion in units	2.6 ± 1.4	2 ± 0.8	2.2 ± 1.1

OR, operating room.