Table 3.

Perioperative hemoglobin and hematocrit - mean (SD)/%.

	Transfusion (N = 32)	No Transfusion (N = 181)	p-value
Pre-Operative
Hgb (g/dL)	12.3 (1.9)	13.8 (1.5)	<0.001
Hct (%)	37.3 (5.2)	41.2 (4.8)	<0.001
Post-Op
Immediate Hgb (g/dL)	10.0 (1.5)	12.0 (1.5)	<0.001
Immediate Hct (%)	29.9 (4.7)	35.7 (4.3)	<0.001
Lowest Hgb (g/dL)	8.1 (0.9)	10.4 (1.6)	<0.001
Lowest Hct (%)	24.0 (2.6)	30.7 (4.6)	<0.001
Pre-Discharge
Hgb (g/dL)	9.3 (1.1)	10.6 (1.5)	<0.001
Hct (%)	27.6 (3.1)	31.2 (4.5)	<0.001

SD = standard deviation; N = number of patients.

Hgb = hemoglobin; Hct = hematocrit; g/dL = grams per deciliter.

Immediate = first post-operative draw.

Lowest = lowest post-operative draw during total hospital stay.