PPCS Systematic Review

Bayesian Meta-Analysis · In Progress

Note

This page will host the full reproducible analysis for the BJSM submission once the manuscript is under review. Analysis code, forest plots, and model outputs will be published here to support open science and peer review.

Overview

Title: Effects of Physical Activity Interventions on Persistent Post-concussion Symptoms: A Systematic Review and Bayesian Meta-analysis

Status: Data extraction in progress · Target submission: British Journal of Sports Medicine (BJSM) · 2026

Methods Summary

  • Search databases: PubMed, Embase, SPORTDiscus, CINAHL, Cochrane
  • Effect measure: Hedges’ g (standardised mean difference)
  • Statistical model: Bayesian random-effects meta-analysis (brms / Stan)
  • Primary outcome: Symptom severity (PCSS or equivalent)
  • Secondary outcome: Exercise tolerance (return to full activity)

Analysis Environment

All analyses are conducted on a reproducible cloud environment:

# Core packages
library(brms)       # Bayesian multilevel models
library(metafor)    # Hedges' g computation
library(tidybayes)  # Posterior summaries
library(ggdist)     # Bayesian forest plots

Full code repository will be linked upon manuscript submission.

Results

Will be published here upon manuscript submission.