Prevalence in road traffic accident survivors

What is prevalence?

This topic presents the evidence for the prevalence of PTSD in people exposed to abuse and violence. Prevalence represents the overall proportion of individuals in a population who have PTSD. It is different from incidence, which represents only the new cases that have developed over a particular time period. Point prevalence is the proportion of individuals in a population who have the disorder at a given point in time (e.g., at one-month post-trauma), while period prevalence is the proportion of individuals in a population who have the disorder over specific time periods (e.g., one to two months post-trauma). Lifetime prevalence is the proportion of individuals in a population who have ever had the disorder and lifetime morbid risk also includes those who had the disorder but were deceased at the time of the survey.

What is the evidence for the prevalence of PTSD in people exposed to road traffic accidents?

Moderate quality evidence finds the overall prevalence of PTSD in people after a road traffic accident is around 22.25%. Rates were highest in females, in Black people, in people living in the USA, and in people without a college education.

The prevalence of PTSD in children and adolescents after road traffic accidents is 19.95%. Rates were highest in females and in studies located in children living in the UK.

August 2021

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Last updated at: 2:25 am, 4th August 2021
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