Israel transcutaneous bilirubin nomogram predicts significant hyperbilirubinemia

R. Bromiker, A. Goldberg, M. Kaplan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective:We constructed a transcutaneous bilirubin (TcB) nomogram to represent major sectors of the Israeli population. We studied the risk of hyperbilirubinemia, defined as meeting the requirements for phototherapy, per percentile risk category.Study Design:Newborns - 3/436 weeks gestation were tested daily for TcB, using Drager JM-103 devices, during birth hospitalization. A nomogram was constructed and divided into four risk groups and validated by calculating the need for phototherapy for each group.Results:A total of 3303 measurements were performed on 1059 consecutive newborns including Ashkenazi, Sephardic and mixed Ashkenazi/Sephardic Jews, Arab and Ethiopian Jewish. Phototherapy risk increased progressively and more than 100-fold, from 0/225 in the <40th percentile group through 27/120 (22.5%) for those >95th percentile (relative risk (95% confidence interval) 102 (6 to 1669) for those >95th percentile compared with those <40th percentile). The optimal risk for discriminating the need for phototherapy was >75th percentile (sensitivity 93.33, specificity 59.47).Conclusion:The risk of significant hyperbilirubinemia increased progressively with increasing percentile. Newborns >75th percentile groups are at high risk for phototherapy and should be closely monitored.

Original languageEnglish
Pages (from-to)1315-1318
Number of pages4
JournalJournal of Perinatology
Volume37
Issue number12
DOIs
StatePublished - 1 Dec 2017
Externally publishedYes

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