Table 3.

Association of transfusion and outcomes by pre-procedure hemoglobin level: Adjusted Odds Ratios from Inverse Probability Weighted Analysis

	Pre-Procedure Hgb Value (g/dL)
MI, Stroke, or In-hospital Death	Hgb ≤ 10	10< Hgb ≤ 13	13< Hgb ≤ 15	Hgb > 15
Patients with RBCT No. (%,95% CI)	2384 (13.3, 12.8 – 13.8)	3588 (18.1, 17.5 – 18.6)	1508 (23.0, 22.0 – 24.1)	504 (25.9, 24.0 – 27.9)
Patients without RBCT No. (%,95% CI)	4425 (5.7, 5.5 – 5,9)	22329 (3.38, 3.34 – 3,42)	24377 (2.71, 2.68 – 2.74)	12519 (2.81, 2.76 – 2.86)
Total Population OR (95% CI)	1.56 (1.51–1.62)	3.62 (3.57–3.68)	5.86 (5.78–5.95)	8.12 (7.96–8.29)
With Bleeding OR (95% CI)	0.74 (0.66–0.83)	1.01 (0.93–1.08)	1.51 (1.38–1.65)	2.24 (1.99–2.53)
Without Bleeding OR (95% CI)	1.54 (1.48–1.60)	3.83 (3.77–3.89)	8.84 (8.71–8.98)	10.06 (9.84–10.29)

MI = myocardial Infarction; IPW model included the following variables: age, gender, race, BMI, prior MI, prior CABG/valvular surgery, cardiogenic shock, cardiac arrest, use of intra-aortic balloon pump (IABP), prior CHF, peripheral vascular disease, cerebrovascular disease, tobacco use, chronic lung disease, diabetes, hyperlipidemia, family history, dialysis, GFR, NYHA class IV, coronary lesion ≥ 50%, location of lesion, PCI indication, PCI status, and hospital characteristics such as public vs. private ownership, core based statistical area, number of beds, PCI volume, teaching facility status and region