Table 1.
Clinical Characteristics stratified by transfusion status, % (No.)
| Overall | Inverse Probability Weighted Cohort | |||
|---|---|---|---|---|
| Patient Characteristics | Without RBCT N=2210281 |
With RBCT N=48430 |
Without RBCT N=2210281 |
With RBCT N=48401 |
| Age (mean, SD) | 64.6 (12.0) | 70.5 (12.1) | 64.8 (12.2) | 66.1 (12.0) |
| BMI (mean, SD) | 30.0 (6.4) | 28.8 (7.2) | 30.0 (6.5) | 29.7 (49.0) |
| Gender (% Female) | 32.5 (707309) | 56.3 (27275) | 32.6 (707309) | 39.8 (27266) |
| Race (% Caucasian) | 88.0 (1944032) | 84.5 (40927) | 87.9 (1944032) | 86.5 (40902) |
| Hypertension | 82.0 (1812770) | 86.4 (41864) | 82.1 (1812770) | 82.3 (41845) |
| Hyperlipidemia | 79.6 (1758531) | 74.7 (36180) | 79.4 (1758531) | 76.2 (36161) |
| Diabetes | 34.6 (765050) | 44.8 (21693) | 34.9 (765050) | 36.1 (21686) |
| Periph. Vascular Disease | 12.3 (272079) | 23.3 (11268) | 12.6 (272079) | 15.1 (11265) |
| Cerebrovascular Disease | 12.2 (269404) | 21.7 (10519) | 12.4 (269404) | 14.3 (10517) |
| Chronic Lung Disease | 15.0 (332160) | 25.1 (12139) | 15.3 (332160) | 18.2 (12135) |
| GFR (mL/min/1.73 m2) (mean, SD) | 76.3 (30.5) | 56.2 (33.2) | 75.9 (31.0) | 79 (25.7) |
| ESRD on dialysis | 2.3 (50433) | 8.7 (4207) | 2.4 (50433) | 3.6 (4207) |
| Prior MI | 30.2 (666457) | 33.0 (15970) | 30.2 (666457) | 30.0 (15962) |
| Prior CHF | 11.8 (259934) | 27.0 (13090) | 12.1 (259934) | 15.0 (13089) |
| Prior CABG/Valve Surgery | 20.1 (443168) | 22.0 (10650) | 20.1 (443165) | 20.6 (10649) |
| Family History of CAD | 24.9 (549619) | 16.2 (7829) | 24.7 (549619) | 23.5 (7820) |
| Current Tob. Use | 27.6 (609145) | 22.4 (10854) | 27.4 (609145) | 28.0 (10842) |
| CAD Presentation | ||||
| STEMI | 15.3 (337686) | 31.7 (15370) | 15.7 (337686) | 17.9 (15365) |
| NSTEMI/UA | 57.3 (1267282) | 54.3 (26286) | 57.2 (1267282) | 59.7 (26271) |
| Elective | 27.4 (604761) | 14.0 (6768) | 27.1 (604761) | 22.4 (6759) |
| NYHA Class IV CHF | 2.2 (47976) | 13.5 (6518) | 2.5 (47976) | 3.7 (6517) |
| Cardiogenic Shock | 1.6 (35700) | 15.3 (7394) | 2.0 (35700) | 3.4 (7392) |
| Cardiac Arrest | 1.8 (39202) | 9.9 (4800) | 2.0 (39202) | 3.2 (4799) |
| Use of IABP | 1.8 (40061) | 16.2 (7867) | 2.2 (40061) | 3.6 (7866) |
| Pre-procedure Hgb (g/dL) (mean, SD) | 13.6 (1.9) | 11.0 (2.1) | - | - |
GFR = glomerular filtration rate, ESRD = end stage renal disease, MI = myocardial infarction, CHF = congestive heart failure, CAD = coronary artery disease, STEMI = ST elevation myocardial infarction, NSTEMI = non-ST elevation myocardial infarction, UA = unstable angina, Hgb = Hemoglobin