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. Author manuscript; available in PMC: 2021 Mar 23.
Published in final edited form as: J Perinatol. 2020 Jan 31;40(6):922–927. doi: 10.1038/s41372-020-0596-2

Fig. 4. Receiver–operator curve, to distinguish rule-out NEC from confirmed NEC.

Fig. 4

With Stages 2 and 3 denoted as “positive” and rule-out NEC as “negative,” sensitivity is plotted on the Y-axis and 1-specificity or false positive rate on the X-axis. These parameters are optimized at an AMC change of −50% from baseline, which is 51% sensitive and 93% specific in the diagnosis of true NEC, with a positive likelihood ratio of 7.28.