Table 1 Mean ratio of %difference in SUVmax, SUVpeak, SUVmean, MTV, and TNRmax for each duration against a 10-min acquisition time
From: Effect of quantitative values on shortened acquisition duration in brain tumor 11C-methionine PET/CT
Duration (min) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
ΔSUVmax | + 19.6 ± 12.1 | + 10.8 ± 8.7 | + 8.0 ± 7.9 | + 6.0 ± 5.9 | + 4.2 ± 4.0 | + 3.6 ± 3.2 | + 2.8 ± 2.4 | + 1.7 ± 1.8 | + 1.1 ± 1.1 |
ΔSUVpeak | + 3.1 ± 3.6 | + 1.9 ± 3.3 | + 1.5 ± 2.6 | + 1.3 ± 2.3 | − 1.0 ± 1.9 | + 0.8 ± 1.6 | + 0.6 ± 1.1 | + 0.3 ± 0.9 | + 0.1 ± 0.5 |
ΔSUVmean | + 3.6 ± 6.2 | + 3.2 ± 5.4 | + 2.2 ± 3.8 | + 3.0 ± 7.4 | − 1.5 ± 3.5 | + 1.6 ± 3.5 | + 1.4 ± 3.4 | + 1.1 ± 3.2 | + 0.9 ± 3.1 |
ΔMTV (cm3) | + 19.8 ± 16.7 | + 11.5 ± 10.8 | + 6.8 ± 10.1 | + 4.1 ± 8.1 | + 3.4 ± 6.1 | + 1.4 ± 4.1 | + 0.7 ± 3.1 | − 1.1 ± 7.6 | + 0.4 ± 2.4 |
ΔTNRmax | + 21.3 ± 16.5 | + 12.6 ± 10.1 | + 9.9 ± 8.9 | + 7.4 ± 7.2 | + 5.4 ± 5.1 | + 4.3 ± 4.5 | + 2.8 ± 3.3 | + 1.5 ± 1.9 | + 0.9 ± 1.2 |