It Is Time to Effectively Address Unnecessary Laboratory Testing*.

However, most practitioners are not able to appropriately apply Bayesian reasoning, and they overestimate the probability of pathologic states both before and after test results are known ([13]). Keywords: Bayesian reasoning; cost-effectiveness; diagnostic laboratory testing; low-value care; medical education; vascular access EN Bayesian reasoning cost-effectiveness diagnostic laboratory testing low-value care medical education vascular access 830 832 3 05/22/23 20230601 NES 230601 In this issue of I Critical Care Medicine i , Hjortsø et al ([1]) report a systematic review of 70 studies comparing routine (daily) with on-demand diagnostic blood testing in critically ill patients. [Extracted from the article]