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. 2020 Jun 23;15(6):e0234967. doi: 10.1371/journal.pone.0234967

Fig 4. Prevalence and relative risk of PTSR among the victims of the Tokyo subway sarin attack.

Fig 4

A) Prevalence of PTSR among the victims of the Tokyo subway sarin attack during the period from 5 to 14 years after the attack (2000–2009). B) Effects of age, gender, and year factors on the risk of PTSR in the victims of the Tokyo subway sarin attack, estimated by multivariate Poisson regression model. Age factor: Age at the time of study. Year factor: Years after the sarin attack. Reference values: age factor, <29 years; gender factor, male; year factor, 5 years after the sarin attack. PTSR: posttraumatic stress response.