Table 5.
Top 10 research topics classified by Latent Dirichlet allocation (LDA). AI = artificial intelligence.
| Year | Research Areas | Frequency | Percent |
|---|---|---|---|
| Topic 1 | Reviews of AI and robotics in healthcare | 234 | 15.9% |
| Topic 2 | AI for big data analysis (genetics, metabolic studies) | 217 | 14.8% |
| Topic 3 | Robotically-assisted cardiac surgery | 170 | 11.6% |
| Topic 4 | Robotic prosthesis | 167 | 11.4% |
| Topic 5 | Robotics-assisted stroke rehabilitation | 167 | 11.4% |
| Topic 6 | Minimally invasive surgery | 130 | 8.8% |
| Topic 7 | AI for medical diagnostics | 118 | 8.0% |
| Topic 8 | AI for population identification | 110 | 7.5% |
| Topic 9 | AI-assisted biometric assessment | 90 | 6.1% |
| Topic 10 | AI interpretation of medical investigations | 66 | 4.5% |