No   Partial-scan reconstruction CT
(n=8)
Average CT
(n=8)
P Clinical PET/CT
1 SUV max 9.7±0.4 9.0±0.5 0.009* 8.6
SUV average 5.9±0.2 5.1±0.3 <0.001* 5
Calculated volume (mL) 3.8±0.1 4.2±0.2 0.001* 3.8
2 SUV max 3.9±0.4 3.1±0.2 <0.001* 2.8
SUV average 1.9±0.2 1.5±0.1 <0.001* 1.4
Calculated volume (mL) 3.7±0.8 5.6±1.0 <0.001* 5.7
3 SUV max 12.3±0.8 10.9±0.5 <0.001* 9.8
SUV average 7.3±0.8 6.4±0.3 0.007* 5
Calculated volume (mL) 7.5±0.5 8.3±0.4 0.002* 8.0
4 SUV max 14.9±0.4 14.5±0.4 0.03* 12.2
SUV average 8.8±0.1 8.5±0.2 0.001* 7.0
Calculated volume (mL) 70.7±1.7 72.7±0.9 0.01* 74.8
5 SUV max 11.6±1.3 10.8±0.4 0.12 10.5
SUV average 5.8±0.3 5.5±0.2 0.02* 5.1
Calculated volume (mL) 163.1±27.5 191.8±11.9 0.02* 165.0
6 SUV max 5.3±0.8 4.5±0.2 0.03* 4.8
SUV average 2.9±0.5 2.4±0.2 0.05* 2.7
Calculated volume (mL) 13.2±2.4 16.3±1.3 0.02* 14.3
7 SUV max 9.7±0.5 8.9±0.6 0.01* 7.1
  SUV average 5.0±0.3 4.6±0.3 0.04* 3.9
Calculated volume (mL) 11.0±1.1 12.3±0.9 0.05* 13.6
8 SUV max 14.0±0.6 12.5±0.5 <0.001* 12.5
SUV average 8.0±0.3 7.1±0.3 <0.001* 6.9
Calculated volume (mL) 3.1±0.2 3.7±0.2 0.11 3.9
9 SUV max 10.8±0.8 8.3±0.4 <0.001* 7.6
SUV average 5.9±0.4 4.6±0.3 <0.001* 3.7
Calculated volume (mL) 1.5±0.2 2.2±0.3 <0.001* 3.7
* indicates statistically significant
Data represent the mean ± SD
Acquisition duration of partial scan reconstruction and average CT was 16 min in 8 phase gated mode respectively. Emission data were acquired utilizing RPM after 90 min interval of FDG injection
Acquisition duration of clinical PET/CT was 2 min/bed. Emission data were acquired after 60 min interval of FDG injection under free shallow breathing with no voice instructions
Table 4: Behavior of standardized uptake value and calculated volume with the three techniques.