Characteristics of Unintentional Injuries in 15 773 Children

Background Unintentional injuries are major threats to children's health, but most of them are preventable. Since the incidence and characteristics of distribution of unintentional injuries vary across regions, it is necessary to formulate preventive measures according to local characteristics. Objective To investigate the clinical characteristics of unintentional injuries in children in Ningbo, providing a theoretical basis for the development of relevant preventive and treatment measures. Methods This study retrospectively recruited 0-17-year-old children with unintentional injuries (including babies, toddlers, preschoolers, gradeschoolers and teens grouped by age) from Department of Emergency, Ningbo Women and Children's Hospital from August 2020 to July 2021. Clinical data were collected, including age, gender, registered residence, the way of getting to the hospital and pre-hospital emergency care, visit time, injury-to-admission time, places of occurrence of injury, cause of injury, site of injury, outcome of treatment, hospitalization time and hospitalization expenses. ICD-10 was used to classify the unintentional injuries, the children were divided into infancy (n=1 225), early childhood (n=5 116), preschool (n=4 447), school age (n=3 219) and adolescence (n=1 766) according to their age, and compared the types of unintentional injuries across the children by clinical data. Results Altogether, 15 773 cases〔including 9 608 males (60.91%) 〕were included, with a mean age of (5.3±3.6) years and a male to female ratio of 1.56∶1. Children with fall/fall injuries, burns and scald, cavity foreign body, poisoning, blunt instrument injury and electric shock injuries are mainly early childhood, road traffic injuries are mainly preschool age, and sharp instrument injuries are mainly school age. Most of the children were from rural areas〔59.15% (9 329/15 773) 〕. Children with rural household registration were mainly affected by falls/fall injuries, road traffic accidents, burns, foreign body aspiration, sharp instrument injuries, electric shocks and drowning. Children who suffered from falls, road traffic accidents and drowning mainly arrived at the hospital by self-driving. Children with fall/fall injuries, road traffic injuries, burns, poisoning, sharp device injuries, electric shock injuries and drowning are mainly treated without pre-hospital emergency rescue. Unintentional injuries occurred more frequently in summer〔27.27% (4 301/15 773) 〕. Road traffic injuries and burns are mainly in summer, blunt instrument injuries and electric injuries are mainly in autumn, and bites are mainly in spring and autumn. Unintentional injuries peaked in July and bottomed in February. Visits due to unintentional injuries peaked at 12:00 at noon and 20:00 in the evening. The injury-to-admission time in children with traffic injuries was shorter than that of those with the other injuries (P