Sitting height percentiles in 3-17-year-old Indian children: a multicentre study

Anuradha Khadilkar1, Veena Ekbote1, Neha Kajale1

  • 1Pediatric and Endocrine Department, Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospitals, Pune, India.

Insights

This study provides the first sitting height (StH) percentiles for Indian children aged 3-17 years. Findings reveal distinct growth patterns during puberty, with lower limb growth being more prominent than trunk growth.

Area of Science:

  • Paediatric growth and development
  • Anthropometry
  • Public health

Background:

  • Sitting height (StH) percentile data is lacking for the Indian paediatric population.
  • Establishing StH percentiles is crucial for assessing growth and development in children.

Purpose of the Study:

  • To generate multicentre StH percentile values for Indian children aged 3 to 17 years.
  • To provide a reference standard for StH in Indian children.

Main Methods:

  • A cross-sectional study involving 7961 apparently healthy children (3-17 years) from 10 schools across six Indian states.
  • Measurements included height (ht), StH, and weight, collected between July 2016 and October 2017.
  • LMS chartmaker was used to compute StH percentiles (3rd, 10th, 25th, 50th, 75th, 90th, and 97th).

Main Results:

  • The mean StH:Ht ratio was 0.52 (0.02), with no significant difference between boys and girls.
  • The StH:Ht ratio exhibited age-specific patterns, decreasing in boys until 14 years and in girls until 9 years, with variations during puberty.
  • Smoothened percentile curves for StH were computed for the Indian paediatric population.

Conclusions:

  • The study provides the first comprehensive StH percentile curves for Indian children.
  • Growth patterns indicate that lower limb growth is more pronounced than trunk growth during pubertal years.
  • These data serve as a valuable reference for paediatricians and researchers in India.

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