Table 2. Mean VAS score comparison among pregabalin and duloxetine groups.
VAS: visual analog scale; DLX: duloxetine; PGB: pregabalin
| VAS score | DLX group | PGB group |
| Baseline VAS | 7.3±0.9 | 6.8±0.5 |
| VAS at week 4 | 1.6±0.3 | 1.9±0.4 |
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