Table 3.

Multivariate odds of anemia, hemorrhage, and transfusion adjusted for baseline cardiovascular risk factors

	Odds Ratio (95% Confidence Interval)
	Anemia	p-value	Major Bleeding	p-value	Transfusion	p-value
Age (yr), mean	1.02 (1.01 – 1.03)	<0.001	1.01 (0.98–1.04)	0.53	1.02 (1.01 – 1.03)	<0.001
Female	1.39 (1.12–1.73)	0.003	1.10 (0.51 – 2.37)	0.79	1.84 (1.50 – 2.25)	<0.001
Admission Type
Urgent or Emergent	3.07 (2.14–4.40)	<0.001	1.49 (0.50 – 4.41)	0.47	3.06 (2.13 – 4.40)	<0.001
Procedure
Spine	1		1		1
Knee	0.92 (0.72–1.18)	0.30	0.07 (0.01–0.55)	0.01	1.00 (0.80 – 1.28)	0.99
Hip	0.89 (0.69 – 1.15)	0.42	0.81 (0.37 – 1.78)	0.59	1.56 (1.24 – 1.96)	<0.001
RCRI
Coronary artery disease	1.97 (1.47 – 2.66)	<0.001	5.70 (2.40 – 13.60)	<0.001	2.33 (1.76 – 3.10)	<0.001
Heart Failure	1.70 (0.99–2.93)	0.06	4.05 (1.22 – 13.39)	0.01	2.04 (1.18 – 3.52)	0.01
Stroke/Transient ischemic attack	1.81 (0.58 – 5.65)	0.31	-	1.00	4.64 (1.35 – 15.97)	0.02
CKD (Cr > 2 mg/dL)	9.09 (2.96–27.90)	<0.001	-	1.00	8.60 (2.61 – 28.28)	<0.001
Diabetes Mellitus	1.77 (1.36–2.29)	<0.001	0.38 (0.11 – 1.36)	0.14	1.13 (0.88 – 1.46)	0.34