Résumé :
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[BDSP. Notice produite par INIST-CNRS R0xPxnjG. Diffusion soumise à autorisation]. Context : Physical abuse is a leading cause of serious head injury and death in children aged 2 years or younger. The incidence of inflicted traumatic brain injury (TBI) in US children is unknown. Objective : To determine the incidence of serious or fatal inflicted TBI in a defined US population of approximately 230000 children aged 2 years or younger. Design, Setting, and Subjects : All North Carolina children aged 2 years or younger who were admitted to a pediatric intensive care unit or who died with a TBI in 2000 and 2001 were identified prospectively. Injuries were considered inflicted if accompanied by a confession or a medical and social service agency determination of abuse. Main Outcome Measure : Incidence of inflicted TBI. Multivariate logistic regression models were used to compare children with inflicted injuries with those with non-inflicted injuries and with the general state population aged 2 years or younger. Results : A total of 152 cases of serious or fatal TBI were identified, with 80 (53%) incurring inflicted TBI. The incidence of inflicted traumatic brain injury in the first 2 years of life was 17.0 (95% confidence interval [Cl], 13.3-20.7) per 100000 person-years. Infants had a higher incidence than children in the second year of life (29.7 [95% Cl, 22.9-36.7] vs 3.8 [95% Cl, 1.3-6.4] per 100000 person-years). Boys had a higher incidence than girls (21.0 [95% Cl, 15.1-26.6] vs 13.0 [95% Cl, 8.4-17.7] per 100000 person-years). Relative to the general population, children who incurred an increased risk of inflicted injury were born to young mothers (
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