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Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

329
In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
329

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Related Experiment Video

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A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
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[Predictive value of hemoglobin decrease for necrotizing enterocolitis in preterm infants with late-onset sepsis].

Na Cai1, Lei-Lei Shen1, Sheng Chen1

  • 1Department of Pediatrics, First Hospital Affiliated to Army Medical University, Chongqing 400038, China (Chen S, Email: chensheng0123456@sina. com).

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|March 4, 2024
PubMed
Summary
This summary is machine-generated.

A significant decrease in hemoglobin (Hb) levels can predict necrotizing enterocolitis (NEC) in preterm infants experiencing late-onset sepsis (LOS). This finding offers a valuable tool for early detection and intervention in vulnerable newborns.

Keywords:
HemoglobinLate-onset sepsisNecrotizing enterocolitisPreterm infant

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Area of Science:

  • Neonatal Medicine
  • Pediatric Gastroenterology
  • Hematology

Context:

  • Late-onset sepsis (LOS) is a serious complication in preterm infants.
  • Necrotizing enterocolitis (NEC) is a leading cause of mortality in preterm infants.
  • Predictive markers for NEC in LOS infants are crucial for timely management.

Purpose:

  • To investigate the predictive value of hemoglobin (Hb) decrease for NEC development in preterm infants with LOS.
  • To identify Hb decrease as an independent predictor of NEC in this population.

Summary:

  • A retrospective analysis of 93 preterm infants with LOS was conducted.
  • Infants were grouped by Hb decrease severity (none, mild <15 g/L, severe ≥15 g/L).
  • Severe Hb decrease was associated with a 26% NEC incidence, significantly higher than mild (14%) or no decrease (0%).
  • Multivariate analysis confirmed Hb decrease as an independent predictor (OR=1.141, P<0.001).
  • ROC analysis indicated Hb decrease (cut-off 20 g/L) had an AUC of 0.803 for predicting NEC.

Impact:

  • Hb decrease serves as a valuable, readily available indicator for predicting NEC in preterm infants with LOS.
  • Early identification of high-risk infants can facilitate prompt therapeutic interventions.
  • This research contributes to improving outcomes for preterm infants susceptible to NEC.