Table 4.
The level of each factor.
| Levels | Maximum burning temperature of the moxa stick (A) (°C) | Moxa stick sizes (B) (°C) | Distance between stick and skin (C) (mm) | Ambient temperature (D) (mm) |
|---|---|---|---|---|
| 1 | 600 | 12 | 25 | 17 |
| 2 | 625 | 15 | 30 | 25 |
| 3 | 650 | 18 | 35 | 32 |
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