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PPCSexRx: Prescribe Sub-Symptom Exercise for Adolescent Concussion

A clinical decision support system for sub-symptom threshold aerobic exercise (SSTAE) prescription in adolescents with persistent post-concussion symptoms (PPCS). Implements an evidence-based protocol derived from a systematic review of seven studies (Li, 2026; <doi:10.17605/osf.io/kvuf6>), encoding safety screening, Buffalo Concussion Treadmill Test (BCTT)-guided heart rate prescription, session-level progress tracking, and evidence disclosure using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) framework into an open-source tool for athletic trainers and clinicians. Designed to support implementation in resource-limited settings where BCTT equipment may be unavailable. GRADE certainty of evidence: LOW. For clinician use only; not a substitute for clinical judgement.

Version: 0.1.1
Imports: graphics, utils
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-06-15
DOI: 10.32614/CRAN.package.PPCSexRx
Author: Guang Li ORCID iD [aut, cre] (Idaho State University)
Maintainer: Guang Li <contact at guanglab.org>
BugReports: https://github.com/guangl10/PPCSexRx/issues
License: MIT + file LICENSE
URL: https://github.com/guangl10/PPCSexRx, https://guanglab.org
NeedsCompilation: no
Citation: PPCSexRx citation info
Materials: README, NEWS
CRAN checks: PPCSexRx results

Documentation:

Reference manual: PPCSexRx.html , PPCSexRx.pdf
Vignettes: PPCSexRx: Evidence-Based SSTAE Support With Tiered Clinical Safety (source, R code)

Downloads:

Package source: PPCSexRx_0.1.1.tar.gz
Windows binaries: r-devel: PPCSexRx_0.1.1.zip, r-release: PPCSexRx_0.1.1.zip, r-oldrel: PPCSexRx_0.1.1.zip
macOS binaries: r-release (arm64): PPCSexRx_0.1.1.tgz, r-oldrel (arm64): PPCSexRx_0.1.1.tgz, r-release (x86_64): PPCSexRx_0.1.1.tgz, r-oldrel (x86_64): PPCSexRx_0.1.1.tgz
Old sources: PPCSexRx archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=PPCSexRx to link to this page.

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.
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