| GAIS evaluation | Subject and operator satisfaction | Heating pain | Endpoint response | ||||
| Score | Description | Score | Description | Score | Description | Score | Description |
| 0 | Not improved | 0 | Unsatisfied | 0 | No pain | 0 | No response |
| 1 | Mildly improved | 1 | Not very satisfied | 1 - 4 | Mild pain | 1 | Mild response |
| 2 | Improved | 2 | Satisfied | 5 - 7 | Moderate pain | 2 | Moderate response |
| 3 | Much improved | 3 | Very satisfied | 8 - 10 | Severe pain | 3 | Severe response |
| 4 | Very much improved |
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