* All ethnic groups other than African American
** Hypotension: systolic blood pressure <80 mmHg for at least 1 hr requiring inotropic support or intra-aortic balloon pump support within 24 hr periprocedurally.
*** Congestive Heart Failure: CHF class III/IV by New York Heart Association and/or history of pulmonary edema.
Mehran R, Aymong ED, Nikolsky E, et al. A simple risk score for prediction of contrast-induced nephropathy after percutaneous coronary intervention: Development and initial validation. J Am Coll Cardiol. 2004;44(7):1393-1399. doi:10.1016/j.jacc.2004.06.068.