To the Editor Battersby et al1 report on the development and diagnostic performance of a new gestational age–specific case definition for necrotizing enterocolitis (NEC) and claim to compare its diagnostic performance with that of the Vermont Oxford Network (VON) definition. Unfortunately, they did not use the complete VON definition, leading to incorrect estimates of its performance.
Horbar JD, Soll RF, Edwards EM. Proposed Definition of Necrotizing Enterocolitis May Be of Limited Value. JAMA Pediatr. 2017;171(7):711. doi:10.1001/jamapediatrics.2017.0974