Other outcomes, such as the development of freezing, showed a trend toward a lower rate of 13.2% for the B12 + MVI group compared to the NoB12Supp group rate of 22.4%, but this lower rate was not observed in the B12 group, which had a rate of 34.6%.
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Characterization of Vitamin B12 Supplementation and Correlation with Clinical Outcomes in a Large Longitudinal Study of Early Parkinson's Disease.
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The sentences
The reason why the B12 group did not reach statistical significance, while the MVI + B12 group did, could reflect the benefit of the additional amount of B12 in the MVI in the MVI + B12 group versus the benefit of other nutrients in the MVI, such as folate or vitamin B6.