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Prognostic analysis of orthostatic intolerance using survival model in children

Yawen Li1, Hongxia Li2, Xueying Li1

  • 1School of Economics and Management, Tsinghua University, Beijing 100084, China.

Chinese Medical Journal
|November 11, 2014
PubMed

Insights

Symptom score significantly impacts treatment effectiveness for pediatric orthostatic intolerance (OI). Higher scores indicate longer recovery times, highlighting its importance in managing children with OI.

Area of Science:

  • Pediatric Medicine
  • Cardiology
  • Neurology

Background:

  • Orthostatic intolerance (OI) is a prevalent condition in children, affecting their physical and mental well-being.
  • Understanding factors influencing OI prognosis is crucial for effective pediatric care.

Purpose of the Study:

  • To investigate factors affecting the prognosis of pediatric orthostatic intolerance.
  • To identify key indicators for improved treatment outcomes in children with OI.

Main Methods:

  • A cohort of 170 children (ages 6-17) diagnosed with OI was analyzed.
  • Univariate and COX proportional hazards regression models were used to assess prognostic factors.
  • Age, symptom score, duration, disease subtype, and treatment were evaluated.

Main Results:

  • Symptom score at diagnosis significantly correlated with the time to symptom improvement after treatment (P < 0.05).
  • Children with a lower initial symptom score (1) demonstrated higher symptom-free survival rates compared to those with higher scores (≥2).
  • Other factors like age, duration, and disease subtype did not show a significant impact on prognosis in this cohort.

Conclusions:

  • Symptom score is a critical predictor of treatment response in pediatric OI.
  • A lower symptom score at diagnosis is associated with a better prognosis and faster symptom improvement.
Abstract

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