山口医学

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山口医学 Volume 38 Issue 3
published_at 1989-06

A statistical analysis of fractures in school children

学童期の骨折に関する統計的観察
Yano Hiroshi
Descriptions
A retrospective review of fractures in 6466 school children aged 6 to 17 who had been injured was performed from 1980 to 1986. These were 4587 bodys and 1879 girls. The ratio is 7 to 3. The fracture rate was 1.45% in boys and 0.625 in girls. Fractures were more common among boys in any age. Distributioon of fracture by age revealed a prominent peak at age 13 (boy) and age 11 (girl). The occurrences varied with the season with oeak values being October and June, and low values in August. The common bone fractures in boys were forearm (26.9%), finger digits (21.5%). Lower leg (14.2%) and clavicle (10.4%). Girl's were finger digits (32.1%), forearm (25.1%), and lower leg (14.2%). The commoncause of fractures in boys were ball games, soccer (14.1%), basketball (10.4%) and baseball (7.9%). Judo shared 3.7% of all causes in boys. Nearly forty precenet of the fracture during Judo were fractures of clavice. In gilrs basketball (18.3%), volleyball (8.8%) and falling down (8.6%) were the main causes. The incidence of finger fracture increased with age especially in girls. Basketbaii was the main factor as the cause. To prevent or decrease finger fractures, wearing gloves is recommended for beginners of basketball.