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Prevalence of developmental delay among children: A national study based on administrative database of the

Li-Po Ho1, Yue-Chune Lee1,2

  • 1Institute of Health and Welfare Policy, National Yang-Ming University (now Yang Ming Chiao Tung University) School of Medicine, Taipei, Taiwan.

Child: Care, Health and Development
|November 20, 2021
PubMed

Insights

The prevalence of developmental delay (DD) in children aged 0-6 in Taiwan significantly increased from 2.0% to 5.7% between 2000-2015. This study highlights the need for equitable healthcare resource distribution for early intervention services.

Area of Science:

  • Pediatrics
  • Public Health
  • Health Informatics

Background:

  • Developmental delay (DD) affects children's milestone achievement.
  • Traditional ICD coding may underestimate DD prevalence.
  • Rehabilitation data offers potential for identifying undiagnosed DD cases.

Purpose of the Study:

  • To estimate the prevalence of developmental delay (DD) in children aged 0-6 in Taiwan.
  • To analyze DD prevalence by age and sex using modified ICD codes.
  • To compare findings with existing government statistics.

Main Methods:

  • Generated and modified ICD codes for DD based on National Health Insurance (NHI) claims data.
  • Validated ICD codes using expert consensus.
  • Analyzed longitudinal NHI data from 2000-2015 to estimate DD prevalence.

Main Results:

  • DD prevalence in children aged 0-6 increased from 2.0% to 5.7% (2000-2015).
  • The male-to-female ratio ranged from 181-197 males per 100 females.
  • The study's prevalence estimate (5.6%) was 229% higher than 2014 government statistics (1.6%).

Conclusions:

  • Developed ICD codes accurately estimate DD prevalence and intervention effectiveness.
  • Increasing DD prevalence suggests successful early intervention promotion.
  • Policy attention is needed for healthcare access disparities in infants and females.
Abstract

Keywords:
children with developmental delay (CWDD)developmental delay (DD)disabled childrenprevalence

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