Figure 1.

Database searching result_
| Database (2012–2022) | Retrieved article number | 
|---|---|
| PubMed | 400 | 
| Science Direct | 457 | 
| Google Scholar | 318 | 
| Total | 1175 | 
Search strategies_
| PICO | Mesh | 
|---|---|
| Population | “Nursing Student” | 
| Intervention | “Emergency Nursing Preparedness Training Program” OR “Emergency Nursing Training” OR “Emergency Training” OR “Emergency Preparedness” OR “First Aid Training Program” | 
| Comparison | Control group | 
| Outcomes | Any outcomes |