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| Groups | n | Before training | After training |
| VPT group | 45 | 2.93±0.71 | 1.09±0.23a |
| Control group | 45 | 3.02±0.76 | 1.30±0.28a |
| t | 0.581 | 3.888 | |
| P | 0.563 | 0.000 |
VPT: Visual perception learning software training; NCS: Newcastle Control Score. aP<0.05 compared with before training.
