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Segmental patterns of rib‐vertebra angles in chest radiographs of children: Changes related to rib level, age, sex, side and significance for scoliosis

Rib‐vertebra angles (RVAs) were measured (T1–12) on the chest radiographs of 412 children aged 0–17 years attending the hospital with minimal disorders or diseases (boys 193, girls 219). A new method for measuring RVAs is used and the asymmetry of rib‐vertebra angles is calculated as rib‐vertebra angle differences (RVADs). The data are analysed in three age groups—infancy, childhood, and puberty, after the classification of Karlberg (1989).