Table 3.
Heat map of the included studies.
| Intervention | BDNF | Pain Intensity | |||||||
|---|---|---|---|---|---|---|---|---|---|
| SERUM | Plasma | VAS | |||||||
| Increase | Decrease | No Change | Increase | Decrease | No Change | Increase | Decrease | No Change | |
| Exercise | |||||||||
| Electro-therapy | |||||||||
| rTMS | |||||||||
| EIMS | |||||||||
| tDCS | |||||||||
| DIMST | |||||||||
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