Table 3 PET/CT characteristics
PET/CT characteristics | Total population (n = 613) | Hypermetabolism (n = 318) | Basal metabolism (n = 295) | p value |
|---|---|---|---|---|
Mean injected dose (MBq/kg) | ||||
Mean ± SD | 3.47 ± 0.56 | 3.44 ± 0.56 | 3.50 ± 0.57 | 0.454 |
Mean blood glucose level (g/L) | ||||
Mean ± SD | 1.02 ± 0.21 | 1.03 ± 0.22 | 1.02 ± 0.21 | 0.996 |
Mean18F-FDG uptake time (min) | ||||
Mean ± SD | 59 ± 4 | 59 ± 5 | 59 ± 4 | 0.697 |
Rectal diameter (cm) | ||||
Mean ± SD | 41 ± 15 | 42 ± 14 | 40 ± 15 | 0.202 |
Rectal content (n, %) | ||||
Empty | 84 (13.7) | 37 (11.6) | 47 (15.9) | 0.019 |
0, air | 270 (44.0) | 134 (42.1) | 136 (46.1) | |
1, feces | 101 (16.5) | 66 (20.8) | 35 (11.9) | |
2, air and feces | 158 (25.8) | 81 (25.5) | 77 (26.1) | |