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Published on: February 7, 2014
Height Velocity Percentiles in Indian Children Aged 5-17 Years
Vaman Khadilkar1, Anuradha Khadilkar2, Archana Arya3
1Department of Pediatrics, Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospitals, Pune, Maharashtra, India.
Insights
New height velocity percentiles were developed for Indian children aged 5-17 years. These charts detail growth patterns and peak height velocity ages for boys and girls, aiding in pediatric growth assessment.
Area of Science:
- Pediatric Endocrinology
- Human Growth and Development
- Biostatistics
Background:
- Accurate assessment of child growth is crucial for identifying potential health issues.
- Existing growth charts may not fully represent diverse populations like affluent Indian children.
- Understanding height velocity patterns is key to monitoring normal development.
Purpose of the Study:
- To establish age- and gender-specific height velocity percentiles for Indian children aged 5 to 17 years.
- To determine the magnitude and age of peak height velocity in this population.
- To provide a reference tool for clinicians assessing growth in Indian children.
Main Methods:
- A mixed-longitudinal study was conducted involving 2949 affluent children (1681 boys) in Pune and Delhi.
- Annual height and weight measurements were collected from 2007 to 2013, yielding 13,214 height velocity measurements.
- Height velocity percentiles (3rd-97th) were calculated using the LMS method.
Main Results:
- Age- and gender-specific height velocity percentiles were successfully generated.
- Girls reached peak height velocity around 10.5 years (median 6.6 cm/year), while boys peaked later at 13.5 years (median 6.8 cm/year).
- Growth velocity showed distinct patterns of decline after the pubertal growth spurt in both genders.
Conclusions:
- The study successfully constructed height velocity percentiles for urban Indian children aged 5-17 years.
- These percentiles serve as a valuable reference for evaluating growth trajectories in this demographic.
- The findings highlight gender-specific differences in the timing and magnitude of peak height velocity.
Objective:
To assess height velocity and develop height velocity percentiles in 5-17-year-old Indian children; and to study the magnitude and age at peak height velocity.
Design:
Mixed longitudinal study.
Setting:
Private schools at Pune and Delhi.
Participants/Patients:
2949 children (1681 boys) belonging to affluent class aged 5-17 years (1473-Pune, 1476-Delhi).
Methods:
Annual height and weight measurements from 2007 to 2013. Total 13214 height velocity measurements (7724 on boys).
Outcome Measures:
Height velocity percentiles (3rd, 10th, 25th, 50th, 75th, 90th and 97th) constructed using LMS chart maker.
Results:
Age- and gender-specific height velocity percentiles were generated. Median height velocity in girls decreased from 5 to 8 years, increased to a peak of 6.6 cm at 10.5 years and then declined to 0.3 cm at 17.5 years. In boys, median height velocity reduced till 10.5, increased to a peak of 6.8 cms at 13.5 years and then declined to 1cm by 18 years.
Conclusions:
Height velocity percentiles in 5-17-year-old urban Indian children were constructed.
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