Mean Relative Differences and RCs for Several Uptake Metrics and Influence of Different Uptake Times and Lesion Selection
All lesions | PERCIST | PERCIST-averaged | ||||
Uptake time | Mean difference (%) | RC (%) | Mean difference (%) | RC (%) | Mean difference (%) | RC (%) |
60 min after injection | 2.2 | 26.6 | −1.8 | 13.8 | −1.5 | 7.3 |
SUVmax | ||||||
SUVmean | 0.7 | 18.1 | −1.7 | 13.7 | −1.3 | 6.6 |
SUVpeak | 0.8 | 19.9 | −1.6 | 15.6 | −0.7 | 7.5 |
TLG | −1.5 | 29.0 | −1.6 | 19.1 | −0.1 | 14.7 |
MATV | −2.2 | 30.9 | 0.0 | 21.4 | −0.2 | 14.9 |
90 min after injection | −0.6 | 23.3 | −1.1 | 16.0 | −1.2 | 8.4 |
SUVmax | ||||||
SUVmean | −0.3 | 17.8 | −1.0 | 11.9 | −1.3 | 6.9 |
SUVpeak | −0.6 | 15.8 | −0.4 | 11.4 | −0.5 | 7.6 |
TLG | −1.1 | 23.7 | −0.3 | 15.1 | 0.9 | 9.6 |
MATV | −0.8 | 30.7 | 0.6 | 20.7 | 0.1 | 12.9 |
PERCIST = 5 hottest lesions, maximum 2 per organ and minimum SUV > 1.5 × mean liver SUV + 2 SDs.