Interestingly, no correlations were found between the UPDRS III and Hcy in PD (rS =  0.463, P = 0.096, Table 4) and VP (rS =  0.216, P = 0.459, Table 4) or between the UPDRS III and CRP in VP (rS =  0.013, P = 0.964, Table 4). Here, CRP is linked to Parkinson disease.