Estimation of age-specific reference intervals for laboratory blood tests in children

Abstract

Introduction: Reference intervals (RI) are an important clinical assessment tool used by physicians and laboratory professionals to interpret test results. A RI is commonly defined as a range between the 2.5th and 97.5th percentile and represents the middle 95% of the reference population. The estimation of RIs is a complex process which involves defining a reference population, selecting reference individuals, collecting, and testing reference samples, and applying appropriate statistical methods. Estimation of RIs in children is challenging for a number of reasons. There is a need for adequate representation of the general population in the reference population. Analytes are influenced b..