Volume 21 Issue 3
Mar.  2023
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WANG Congying, ZHANG Fan. Establishment of a nomogram prediction model for the risk of hypoxic-ischemic encephalopathy in neonates with intrauterine distress[J]. Chinese Journal of General Practice, 2023, 21(3): 369-373. doi: 10.16766/j.cnki.issn.1674-4152.002885
Citation: WANG Congying, ZHANG Fan. Establishment of a nomogram prediction model for the risk of hypoxic-ischemic encephalopathy in neonates with intrauterine distress[J]. Chinese Journal of General Practice, 2023, 21(3): 369-373. doi: 10.16766/j.cnki.issn.1674-4152.002885

Establishment of a nomogram prediction model for the risk of hypoxic-ischemic encephalopathy in neonates with intrauterine distress

doi: 10.16766/j.cnki.issn.1674-4152.002885
Funds:

 F202029

  • Received Date: 2022-11-28
    Available Online: 2023-04-19
  •   Objective  To analyze the risk factors for hypoxic-ischemic encephalopathy (HIE) in neonates with intrauterine distress, and to develop a personalized nomograph prediction model.  Methods  Ninety-six neonates with exposure factors of intrauterine distress and HIE (case group) treated in the Neonatology Department of Huaian Second People ' s Hospital from January 2017 to December 2021 were collected, 96 neonates with exposure factors of intrauterine distress who did not develop HIE (control group) treated in our hospital during the same period were selected. Logistic regression analysis was performed to screen the risk factors affecting the risk of HIE in neonates with intrauterine distress; R software was used to construct a nomogram model to predict the risk of HIE in neonates with intrauterine distress, and the model was meanwhile validated.  Results  1 min Apgar score < 7 points (P < 0.001), irregular prenatal examination (P=0.003), pregnancy-induced hypertension (P < 0.001), abnormal umbilical cord (P=0.043), abnormal labor process (P=0.001), pH < 7.0 (P=0.009), alkaline residue < -12.0 mmol/L (P=0.003) were independent risk factors for HIE in neonates with intrauterine distress. The area under the ROC curve was 0.875 (95% CI: 0.826-0.925). The slope of the calibration curve was close to 1, and the H-L goodness-of-fit test χ2=7.221, P=0.513.  Conclusion  1 min Apgar score < 7, irregular prenatal examination, pregnancy induced hypertension, umbilical cord abnormality, abnormal labor process, pH < 7.0, and alkaline residue < -12.0 mmol/L are all independent risk factors for HIE in neonates with intrauterine distress. The nomograph prediction model constructed using the above indicators has good predictive power and can accurately predict the risk of HIE in neonates with intrauterine distress.

     

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