Table 2.
Comparison with other similar review articles.
| Reference and Year | Number of Articles | Period | One-Phrase Summary | Blockchain | AI-Powered Techniques | Open Challenges | Future Directions | |
|---|---|---|---|---|---|---|---|---|
| Machine Learning | Deep Learning | |||||||
| This Review | 120 | 2012–2022 | A systematic review of AI and Blockchain powered techniques in healthcare | ✓ | ✓ | ✓ | ✓ | ✓ |
| [6], 2021 | 208 | 1998–2021 | Discusses security and privacy implications of applying ML/DL techniques in healthcare | ✗ | ✓ | ✓ | ✓ | ✓ |
| [7], 2021 | 150 | 2002–2021 | Ethics of implementing ML in healthcare | ✗ | ✓ | ✗ | ✓ | ✗ |
| [8], 2021 | 68 | 2016–2020 | Review on the usage of data from health devices in ML-based healthcare systems. | ✗ | ✓ | ✓ | ✗ | ✗ |
| [9], 2021 | 159 | 2008–2021 | Integrating ML models into IoT-based healthcare devices | ✗ | ✓ | ✓ | ✓ | ✗ |
| [10], 2021 | 158 | 2014–2021 | Review of smart healthcare systems including usage of wearable devices and smartphones for monitoring. | ✗ | ✓ | ✓ | ✓ | ✓ |
| [11], 2019 | 72 | 2014–2019 | ML adoption for Blockchain-based systems to make them more resistant to attacks. | ✓ | ✓ | ✓ | ✓ | ✗ |