Table 2

Hospital and Patient Characteristics Predictive of Delays in iBNP Testing

CharacteristicAdjusted Odds Ratio95% Confidence Intervals
Academic1.4531.370–1.540
Region
 West vs. Mid-Atlantic1.2261.099–1.367
 South vs. Mid-Atlantic0.9870.913–1.067
 Northeast vs. Mid-Atlantic1.8771.679–2.099
 Midwest vs. Mid-Atlantic0.6130.566–0.665
Previous heart failure history0.8690.814–0.927
Stroke1.0781.003–1.159
COPD0.9380.884–0.997
Beta-blocker use before admission0.8870.838–0.939
Dyspnea at rest0.7610.718–0.808
Congestion on examination0.8320.780–0.887
Rales0.8410.780–0.893
Pulse0.9990.997–1.000
Diastolic blood pressure0.9950.993–0.996
QRS duration on ECG0.9990.998–0.999

COPD = chronic obstructive pulmonary disease; ECG = electrocardiogram; iBNP = immunoreactive B-type natriuretic peptide.