Trauma in children, also known as pediatric trauma, refers to a traumatic injury that happens to an infant, child or adolescent. Because of anatomical and physiological differences between children and adults the care and management of this population differs. Anatomic and physiologic differences There are significant anatomical and physiological differences between children and adults. For example, the internal organs are closer in proximity to each other in children than in adults; this places children at higher risk of traumatic injury. Children present a unique challenge in trauma care because they are so different from adults - anatomically, developmentally, physiologically and emotionally. A 2006 study concluded that the risk of death for injured children is lower when care is provided in pediatric trauma centers rather than in non-pediatric trauma centers. Yet about 10% of injured children are treated at pediatric trauma centers. The highest mortality rates occur in children who are treated in rural areas without access trauma centers. An important part of managing trauma in children is weight estimation. A number of methods to estimate weight exist, including the Broselow tape, Leffler formula, and Theron formula. Of these three methods, the Broselow tape is the most accurate for weight estimation in children ≤25 kg, while the Theron formula performs better with patients weighing >40 kg. Due to basic geometry, a child's weight to surface area ratio is lower than an adult's, children more readily lose their body heat through radiation and have a higher risk of becoming hypothermic. Smaller body size in children often makes them more prone to poly traumatic injury. Diagnosis Pediatric Trauma Score Several classification systems have been developed that use some combination of subjective and objective data in an effort to quantify the severity of trauma. Examples include the Injury Severity Score and a modified version of the Glasgow Coma Scale. More complex classification systems, such as the Revised Trauma Score, APACHE II, and SAPS II add physiologic data to the equation in an attempt to more precisely define the severity, which can be useful in triaging casualties as well as in determining medical management and predicting prognosis. Though useful, all of these measures have significant limitations when applied to pediatric patients. For this reason, health care providers often employ classification systems that have been modified or even specifically developed for use in the pediatric population. For example, the Pediatric Glasgow Coma Scale is a modification