Research Article
[Retracted] Clinical Application of Evoked Potentials in the Operation of Cervical Spondylotic Myelopathy with Different Imaging
Table 3
Relationship between the changes of intramedullary signal and the improvement rate of the two groups of patients (M ± SD, %).
| | Case group | Control group | T | P-value |
| Cases | 30 | 30 | | | Preoperative | 7.53 ± 1.50 | 9.25 ± 1.72 | 4.128 | P < 0.05 | 1 week after operation | 15.21 ± 1.34 | 10.22 ± 1.82 | 12.09 | P < 0.05 | 24 week after operation | 18.22 ± 1.43 | 12.31 ± 1.56 | 15.30 | P < 0.05 | Improvement rate % | 72.5 | 42.3 | | |
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