Statistical analysis

WK Wenyan Kang
FD Fangyi Dong
DL Dunhui Li
TQ Thomas J. Quinn
SC Shengdi Chen
JL Jun Liu
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Statistical analysis was carried out using SPSS version 21. The diagnostic accuracy of SS-16 was determined by comparing their results to the surrogate gold standard: 99mTc-TRODAT-1 scans. Diagnostic accuracy is defined as the sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV). Finally, we used Kappa test to compare the consistency of the two examinations. P values of less than 0.05 were considered statistically significant.

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