==== Front Healthc Inform ResHealthc Inform ResHIRHealthcare Informatics Research2093-36812093-369XKorean Society of Medical Informatics 10.4258/hir.2018.24.3.250ErratumCorrection: Using Statistical and Machine Learning Methods to Evaluate the Prognostic Accuracy of SIRS and qSOFA Gupta Akash MSLiu Tieming PhDShepherd Scott DOFACPPaiva William PhD7 2018 31 7 2018 31 7 2018 24 3 250 250 © 2018 The Korean Society of Medical Informatics2018The Korean Society of Medical InformaticsThis is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.Using Statistical and Machine Learning Methods to Evaluate the Prognostic Accuracy of SIRS and qSOFA ==== Body 1. In Line 10 of Abstract, the figure of DT (DT = 0.89) should be changed to 0.82 (DT = 0.82). The corrected sentence is “For qSOFA, the sensitivity and specificity were DT = 0.39, LR = 0.64, NB = 0.62 and DT = 0.82, LR = 0.63, NB = 0.66, respectively.” 2. The multiplication notations (x) placed in the denominators of Equations (2), (3), (4) and (5) should be changed to addition signs (+) on the second column in Page 141. The correct equations are as follows. Sensitivity=TPTP+FN[2] Specificity=TNTN+FP[3] Positive predictive value=TPTP+FP[4] Negative predictive value=TNTN+FN[5]