Table 3.

Red Blood Cell Transfusion Risk Regression Results.

Effect	Point Estimates	Odds Ratio	LCL	UCL	p-value
Monitoring (Hct vs tHb)	0.2306	1.26	1.15	1.38	<0.0001
Major Teaching vs Non-teaching	0.1231	1.13	1.02	1.26	0.0227
Minor Teaching vs Non-teaching	−0.1498	0.86	0.79	0.94	0.0010
Age (in years)	0.00651	1.01	1.00	1.01	<0.0001
Pump (off vs on-pump)	0.8319	2.30	2.01	2.63	<0.0001
CABG only vs dual CABG & Valve	−0.5901	0.55	0.49	0.63	<0.0001
Valve only vs dual CABG & Valve	−0.1668	0.85	0.75	0.96	0.0100
Intravenous Iron Administration	0.2342	1.26	1.06	1.51	0.0103
Hemorrhage*	0.5096	1.67	1.26	2.20	0.0003
Dehydration	0.212	1.24	0.98	1.56	0.0736
Polycythemia vera	0.6801	1.97	0.92	4.23	0.0806
Burns	−0.2248	0.80	0.08	7.75	0.8462
Vomiting	0.0164	1.02	0.78	1.32	0.9017
Hypertension	−0.0196	0.98	0.90	1.08	0.6752
Trauma	0.6095	1.84	1.37	2.47	<0.0001
Renal Failure	0.5149	1.67	1.52	1.85	<0.0001
Myocardial Infarction	0.0993	1.10	1.01	1.21	0.0249
Congestive Heart Failure	0.2195	1.25	1.15	1.35	<0.0001
Peripheral Vascular Disease	0.154	1.17	1.06	1.29	0.0019
Cerebrovascular Disease	0.0969	1.10	1.00	1.22	0.0541
Dementia	−0.4079	0.67	0.31	1.45	0.3032
Chronic Pulmonary Disease	0.0673	1.07	0.98	1.17	0.1330
Rheumatic Disease	0.3481	1.42	1.16	1.74	0.0008
Peptic Ulcer	0.4222	1.53	1.17	1.99	0.0019
Mild Liver Disease	0.0237	1.02	0.70	1.50	0.9029
Diabetes without Chronic		0.92	0.85	1.00	0.0441
Complication	−0.0847
Diabetes, with Chronic Complication	0.2494	1.28	1.12	1.47	0.0004
Hemiplegia or Paraplegia	0.1876	1.21	0.88	1.66	0.2470
Renal Disease	0.3079	1.36	1.22	1.52	<0.0001
Malignancy	0.027	1.03	0.87	1.22	0.7593
Moderate or Severe Liver Disease	0.4274	1.53	0.93	2.54	0.0968
Metastatic Solid Tumor	−0.00958	0.99	0.58	1.70	0.9724
AIDS/HIV	0.1463	1.16	0.49	2.72	0.7374

CABG: coronary artery bypass graft; AIDS: acquired immune deficiency syndrome; HIV: human immunodeficiency virus.