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PTSDdiag

Getting Started Comparing Criteria Reference Publication

Description

PTSDdiag is a comprehensive R package for analyzing and simplifying PTSD diagnostic criteria using PCL-5 (PTSD Checklist for DSM-5) data. It provides tools to identify optimal subsets of six PCL-5 items that maintain diagnostic accuracy while reducing assessment burden.

Key Features

• Data preparation and standardization for PCL-5 scores
• Implementation of DSM-5 diagnostic criteria
• Calculation of diagnostic metrics and summary statistics
• Simplification of diagnostic criteria through:
  • Hierarchical (cluster-based) approach
  • Non-hierarchical approach
• Comparison of different diagnostic approaches
• Model validation using:
  • Holdout Validation
  • Cross-Validation

Installation

You can install the released version of PTSDdiag from CRAN:

install.packages("PTSDdiag")

Or install the development version from GitHub:

# install.packages("devtools")
devtools::install_github("TobiasRSpiller/PTSDdiag")

Getting Started

The vignettes demonstrate how to prepare PCL-5 data, find the optimal minimal symptom combinations for PTSD diagnosis, compare different diagnostic approaches (including ICD-11 and the clinician-administered CAPS-5), and validate the resulting definitions within and across cohorts.

• Getting started with PTSDdiag
• Comparing diagnostic criteria
• Validating abbreviated symptom definitions
• Validating a shared definition across sites
• CAPS-5 workflow
• Package Website

Bugs, Contributions

• If you have any suggestions or if you find a bug, please report them using GitHub issue tracker.
• Contributions are welcome! Please feel free to submit a Pull Request.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.