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A cost simulation model was developed for competing testing strategies to evaluate for AKI; 1) Scr alone, vs. 2) uNGAL plus Scr (uNGAL+Scr). Since the uNGAL+Scr treatment arm provided more diagnostic information, it was regarded as the “gold standard” relative to Scr alone in terms of whether patients should be treated or whether treatment should be delayed.
