Background <p>The increasing number of sexual violence cases represents a&#xa0;growing global health concern. Previous studies have shown that the characterization of the assault, the perpetrator and the victim play a&#xa0;crucial role in the prevention, post-incident care and legal enforcement strategies.</p> Aims <p>This study aims to characterize cases of sexual assault investigated at the Institute of Forensic Medicine Zurich (IRM UZH)&#xa0;(I), categorize cases from the years 2010, 2015 and 2020 according to predefined variables&#xa0;(II) and identify changes over the years&#xa0;(III).</p> Methods <p>Cases of sexual assault from the years 2010, 2015 and 2020 were obtained from the IRM UZH archives and classified based on predefined characterization variables. Statistical analysis was performed using a&#xa0;two-stage Z‑test, linear and logistic regressions as well as Fisher’s exact test.</p> Results <p>The IRM UZH recorded a&#xa0;significant increase in sexual assault cases. The suspects were exclusively male and predominantly uninjured (56.84%). The victims were primarily female (94.47%) and often showed extragenital injuries (56.17%) but rarely showed genital injuries (66.81%). In most cases the victim knew the perpetrator (68.94%). Young age, an unknown perpetrator and the use of a&#xa0;weapon significantly increased the risk of an extragenital injury.</p> Discussion <p>The growing number of examinations due to sexual offence cases emphasizes the need for specialized personnel. The insights into the characteristics of sexual offenses should be incorporated into prevention strategies and clarification efforts.</p>

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Kategorisierte Analytische Fünfjahresintervalluntersuchung von Sexualdelikten am IRM UZH

  • Jean-Claude Sigg,
  • Michael Thali,
  • Malaika Vetter

摘要

Background

The increasing number of sexual violence cases represents a growing global health concern. Previous studies have shown that the characterization of the assault, the perpetrator and the victim play a crucial role in the prevention, post-incident care and legal enforcement strategies.

Aims

This study aims to characterize cases of sexual assault investigated at the Institute of Forensic Medicine Zurich (IRM UZH) (I), categorize cases from the years 2010, 2015 and 2020 according to predefined variables (II) and identify changes over the years (III).

Methods

Cases of sexual assault from the years 2010, 2015 and 2020 were obtained from the IRM UZH archives and classified based on predefined characterization variables. Statistical analysis was performed using a two-stage Z‑test, linear and logistic regressions as well as Fisher’s exact test.

Results

The IRM UZH recorded a significant increase in sexual assault cases. The suspects were exclusively male and predominantly uninjured (56.84%). The victims were primarily female (94.47%) and often showed extragenital injuries (56.17%) but rarely showed genital injuries (66.81%). In most cases the victim knew the perpetrator (68.94%). Young age, an unknown perpetrator and the use of a weapon significantly increased the risk of an extragenital injury.

Discussion

The growing number of examinations due to sexual offence cases emphasizes the need for specialized personnel. The insights into the characteristics of sexual offenses should be incorporated into prevention strategies and clarification efforts.