Identifying Birth-Related PTSD: Cutoffs for the City Birth Trauma Scale

A total of 67 people were recruited from maternity units and social media to take part in the study. They first completed an online questionnaire, then filled out the CityBiTS measure, and finally took part in a diagnostic interview over the phone. The CityBiTS scores were compared to the results of the interviews using ROC curve analysis. We looked at how well the scores identified cases (sensitivity), correctly identified non-cases (specificity), and overall accuracy to find the best cutoff scores and see how these compared to other available methods.

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Key information

Conditions

Childbirth-related PTSD Combat Disorders Hypersensitivity Immune System Diseases Mental Disorders PTSD PTSD (Childbirth-Related) PTSD - Post Traumatic Stress Disorder Post Traumatic Stress Stress Disorders, Post-Traumatic Stress Disorders, Traumatic Trauma and Stressor Related Disorders

Age range

18 year and older

Sex eligibility

Female

Study type

Observational

Primary location

Vrinnevisjukhuset, KK

Norrköping, 603 54, Sweden

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

age 18 or more
who had given birth with a minimum at four weeks prior to completing CityBiTS,
who had a sufficient level of Swedish to participate.

Exclusion criteria

Cases of stillbirth

Treatment and study plan

Diagnostic interview

Diagnostic Test

SCID-5 Clinician Version (SCID-5-CV) was used as gold standard method for determining if diagnostic criteria of PTSD was met or not (First, 2023). SCID-5-CV has been validated for use via telephone with good results for PTSD (Osorio et al., 2019). Only the PTSD-chapter was used, and exclusively birth-related traumatic experiences were considered. This was done achieved by adding a question to the interview guide, addressing potentially traumatic experiences associated with healthcare during a physical examination, operation, intensive care or childbirth.

Primary outcomes

Number of participants fulfilling the diagnostic criteria for BR-PTSD based on the diagnostic interview compared to CityBiTS

Time frame: Day 1

Secondary outcomes

Cut-offs for CityBits

Time frame: up to 6 months

Sponsors and collaborators

Lead sponsor

Region Östergötland

Other

Registry information

Important dates

Study start: 2023
Primary completion: 2024
Study completion: 2024
First posted: Sep 8, 2025
Registry last updated: Sep 8, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed