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Performance evaluation of the developed system compared with other solutions.
| Application Parameters | Zhang et al. [27] | Ullah et al. [28] | Mukhtar et al. [29] | Hoang et al. [30] | Our Proposed Approach |
|---|---|---|---|---|---|
| SpO2 | - | ✓ | ✓ | - | ✓ |
| Pulse | - | ✓ | ✓ | - | ✓ |
| Temperature | ✓ | ✓ | ✓ | ✓ | ✓ |
| Location | - | ✓ | - | - | ✓ |
| Scalability of the system | - | - | - | - | ✓ |
| High coverage area | - | - | - | - | ✓ |
| Modular architecture | - | - | - | - | ✓ |
| Wearable device integration | - | - | - | ✓ | ✓ |
| IoT communication technology | BLE | BLE/802.11n | 802.11 | BLE/802.11n | LoRaWAN |
