| Paper | Methods | Pros | Cons |
| A. Bell et al. [6]. | Wireless patient monitoring system | Need for the hardware | Thermistor positioning |
| Sagar R Patil [7]. | Wireless Technology | Electrodes to assess patients' vital signs | Readings were not right and displayed |
| Sohail Shaikh et al [8]. | Tracking patients using IoT | Transmission of data from patients to doctors | The inability to include MAC protocols for data transmission |
| T K Ramesh et al [9]. | Wireless network protocol | Compare wireless network protocols | Contact was not successful in rural areas |
| Dr. Bharath Kumar G J [14]. | To track the vegetative state of the patient using cloud computing and IoT | Patient's condition remotely to family members | Only available to patients in a vegetative condition |