TY - JOUR T1 - Analysis of emergency department prediction tools in evaluating febrile young infants at risk for serious infections: reply JF - Emergency Medicine Journal JO - Emerg Med J DO - 10.1136/emermed-2019-209399 SP - emermed-2019-209399 AU - Sarah Hui Wen Yao AU - Shu-Ling Chong AU - Gene Yong-Kwang Ong Y1 - 2020/01/09 UR - http://emj.bmj.com/content/early/2020/01/09/emermed-2019-209399.abstract N2 - We refer to Dr Naderi’s1 letter and thank the authors for their comments and interest in our EMJ paper.2 The authors’ comments about the need for robust techniques to derive and validate a prediction model are well made. We would like to clarify that both the clinical assessment tools (the National Institute for Health and Care Excellence Traffic Light System3 and Severity Index Score4) as well as the low-risk criteria5 (the … ER -