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Table 4 Correlation between the change rate of quantitative parameters and the size of lesions in the OSEM, OSEM + TOF, and OSEM + TOF + PSF groups as compared to the BPL group using Spearman’s correlation analysis

From: Changes of [18F]FDG-PET/CT quantitative parameters in tumor lesions by the Bayesian penalized-likelihood PET reconstruction algorithm and its influencing factors

Reconstruction algorithms Change rate of quantitative parameters P value (r)
%ΔSUVmax %ΔSUVmean %ΔSBR %ΔMTV %ΔTLG
OSEM  < 0.001 (− 0.786)  < 0.001 (− 0.867)  < 0.001 (− 0.708)  < 0.001 (0.716)  < 0.001 (0.454)
OSEM + TOF  < 0.001 (− 0.714)  < 0.001 (− 0.817)  < 0.001 (− 0.581)  < 0.001 (0.699)  < 0.001 (0.399)
OSEM + TOF + PSF  < 0.001 (− 0.709)  < 0.001 (− 0.822)  < 0.001 (− 0.570)  < 0.001 (0.648)  < 0.001 (0.343)