A percentile is a kind of unit of measurement where your child is compared to other children.
For example, in terms of height or weight.
For example, if the height of a 12-month-old baby is 90th percentile, it means that only 10% of children of their age and gender are taller and 90% smaller.
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Percentile is a term from medical statistics
The percentile is a medical statistic that is particularly relevant for paediatricians and parents. In terms of science - and thus incomprehensible - percentiles are a measure of the dispersion of a statistical distribution. They are mainly used to estimate the development of height and weight in children and adolescents. But sometimes also with other statistical questions.
The percentile curves plotted in the passport and pediatric exams are based on the values of large peer groups. Specifying the height or weight of a child as a percentile then means setting his values in relation to the values of the peers and peers.
authors: Dr. Hubertus Glaser & Dr. med. med. Jörg Zorn