Repository containing R code for cost-effectiveness of CXR and AI for TB in Nigeria
# Cost-effectiveness of CXR and AI for TB screening in Nigeria
This repository contains the code, data inputs, and outputs for a Tcost-effectiveness analysis of a TB screening intervention.
### 📄 Associated Publications
**Implementation costs and cost-effectiveness of ultraportable chest X-ray with artificial intelligence in active case finding for tuberculosis in Nigeria**
_T.Garg, S.John et al._
Published in *PLOS Digital Health* (2025)
📄 Read the full paper here
**Comparing tuberculosis symptom screening to chest X-ray with artificial intelligence in an active case finding campaign in Northeast Nigeria**
_S.John, S.Abdulkarim et al._
Published in *BMC Global and Public Health* (2023)
📄 Read the full paper here
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## 📁 Repository Structure
```
Costing-Nigeria-Analysis/
├── Data/ # Input data files
│ ├── cost_input.xlsx # Cost data
│ ├── cost_input_sensitivity_analysis.xlsx # Cost data with CXR and AI options
│ ├── tb_clinical.xlsx # Proportion of clinically dx TB in Nigeria
│ ├── PaperTable3.xlsx # Outcome data from Table 3 of main paper
│ └── PaperTable3_subclinical.xlsx # Outcome data from Table 3 with subclinical TB
├── Output/ # Output tables and figures
├── Scripts/ # R Markdown analysis files
│ ├── 0.batch_run_all_analyses.R # Batch script to run all Rmd files in sequence
│ ├── 1.Costing Nigeria analysis.Rmd # Base case cost analysis
│ ├── 2.Costing Nigeria analysis_with clinicaldx.Rmd # Includes clinical diagnosis scenario
│ ├── 3.Costing Nigeria analysis_viz.Rmd # Visualization of base case results
│ ├── 4.Costing Nigeria analysis_viz_clinicaldx.Rmd # Visualization for clinical diagnosis scenario
│ ├── 5.Costi …