H&Y stage negatively correlated with striatal FP-CIT binding in the PD group (p<0.01) while showed a trend for negative correlation with striatal binding in CBS patients ( Figure 3B ).
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The sentences
When correlation analysis was performed between nigrostriatal function and clinical features in CBS, FP-CIT binding showed did not show any correlation with disease duration and just a trend with disease severity, while this association was highly significant in PD control subjects ( Figure 3A and B ).