Injuries

The term "injured" in a traffic accident actually covers several scenarios. In particular, the terms "hospitalized injured" and/or "slightly injured" are mentioned quite frequently in the press or in specialized road safety studies. The slightly injured person (or BL) can be defined as the person who is the victim of a road accident whose state of health does not require hospitalisation or when this hospitalisation does not exceed 24 hours. On the other hand, the hospitalised injured person (or BH) presents himself well as the person whose state of health requires hospitalisation for more than 24 hours and who "does not die within 30 days after the accident ".

However, this typology isn't precise enough to express the severity of the injuries: there is a finer classification according to the probability of survival of the injured. This coding of the initial lesions of each serious injury ranges from 1 (minor severity) to 6 (maximum severity) and was defined in the late 1970s in the United States (via a scale called AIS or "Abbreviated Injury Scale"). Various road safety studies based on information collected in health care institutions provide information, particularly on seriously injured people. This information feedback makes it possible to assess the nature of injuries and their location, their typology (depending on the type of user whether or not they are transported), or finally to know, for example, the distribution of serious injuries by age. It's also possible to cross-reference and compare data collected by the police (Police, Gendarmerie, CRS) after a physical accident with data collected by health care organisations (collected for the department 69 in the so-called "Rhône Register") to have a better knowledge of the seriously injured.

In addition, based on the codification of lesions from the International Classification of Diseases (ICD), the researchers also estimate the sequelae to be expected depending on the nature of the lesion and the body region affected. These sequelae can range from mild to "heavy" disability, making it impossible to perform certain motor, sensory and other functions.

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