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Table 4 Summary of correlations between asphericity, viable tumor volume derived from 68Ga-PSMA-PET, TLB, SUVmax, SUVmean, SUVpeak and the PSA value

From: Potential of asphericity as a novel diagnostic parameter in the evaluation of patients with 68Ga-PSMA-HBED-CC PET-positive prostate cancer lesions

   ASP (%) VTV (cm3) TLB
SUVmax Rho 0.23 0.58 0.71
p value p > 0.05 p < 0.05 p < 0.05
CI 95% − 0.1–0.51 0.32–0.76 0.5–0.84
SUVmean Rho 0.17 0.68 0.84
p value p > 0.05 p < 0.05 p < 0.05
CI 95% − 0.17–0.47 0.46–0.83 0.7–0.91
SUVpeak Rho 0.15 0.62 0.77
p value p > 0.05 p < 0.05 p < 0.05
CI 95% − 0.19–0.45 0.38–0.79 0.59–0.88
PSA (ng/ml) Rho 0.25 0.32 0.22
p value p > 0.05 p > 0.05 p > 0.05
CI 95% − 0.08–0.53 − 0.04–0.58 − 0.11–0.51
  1. Pearson’s correlation method. This table summarizes the associations between the ASP, VTV, TLB, SUVmax, SUVmean, SUVpeak and PSA blood level using Pearson’s correlation method. Neither of the investigated associations presented a significant correlation (p > 0.05) to the ASP. Significant (p < 0.05) moderate correlations were demonstrated for VTV and TLB to SUVmax and as expected also to SUVmean and SUVpeak. PSA did not show a significant correlation (p > 0.05) to the investigated parameters. Abbreviations: ASP asphericity, VTV viable tumor volume, TLB total lesion binding rate, SUVmax maximum standardized uptake value, SUVmean mean standardized uptake value, SUVpeak peak standardized uptake value, PSA prostate-specific antigen blood level