# ML-Assisted Fracture Triage for Rural African Clinics: A Comparative Study
## Abstract
This study compares clinical, X-ray, and multimodal ensemble models for fracture triage using real-world data from 1,129 patients across 18 African countries. We demonstrate that a simple clinical model (Random Forest) achieves 81.4% accuracy using only patient vitals, while an XGBoost ensemble combining clinical and X-ray data reaches 82.4% accuracy.
## Model Performance
| Model | Accuracy |
|-------|----------|
| Clinical (Random Forest) | 81.4% |
| X-ray (EfficientNetB0 + RF) | 67.7% |
| Multimodal Ensemble (XGBoost) | 82.4% |
## Dataset
- 1,129 patients
- 18 African countries
- 10 fracture types (5 Simple, 5 Complex)
- 790 training X-rays, 226 test X-rays
## Cross-Validation
- Leave-one-country-out CV: 83.8% (±5.0%)
## Repository Structure
- `african_fracture_ai_notebook.ipynb` – Complete training and evaluation pipeline
- `requirements.txt` – Python dependencies
- Webapp available at: mrselemogo777-gif/african-f…
## Citation
If you use this work, please cite:
Selemogo, L. (2026). ML-Assisted Fracture Triage for Rural African Clinics: A Comparative Study.