Table 1.

General description of the basal numerical variables.

Basal variable	Mean	SD	Median	Min	Max
Age (years)	68.6	7.7	68	50	83
Valgus Angle (degrees)	14.3	5.2	15	2	23
Varum Angle (degrees)	7.4	3.9	7	3	20
Preoperative Hematocrit	41.3	3.9	41	30	54
Preoperative Hemoglobin	13.7	1.5	13.6	10.2	17
Preoperative Red Blood Cells	4.71	0.55	4.6	3.75	6.8
Drain Volume (mL)	195.5	105.1	200	10	500

SD: Standard Deviation; Source: Hospital Santa Teresa