Table 4.
The VR, DI, and CI of GTVPET and IGTV10 (mean ± SD and median)
| Parameters | VR | DIs of GTVPET and IGTV10
|
CI | |
|---|---|---|---|---|
| IGTV10in GTVPET | GTVPET in IGTV10 | |||
| SUV2.0 | 1.35±0.42 (1.30) | 0.78±0.14 (0.83) | 0.60±0.13 (0.16) | 0.51±0.11 (0.50) |
| SUV2.5 | 0.95±0.32 (0.93) | 0.67±0.17 (0.72) | 0.73±0.11 (0.74) | 0.53±0.13 (0.54) |
| SUV3.0 | 0.74±0.29 (0.74) | 0.58±0.20 (0.65) | 0.81±0.10 (0.84) | 0.50±0.15 (0.53) |
| SUV3.5 | 0.62±0.28 (0.65) | 0.52±0.21 (0.59) | 0.86±0.09 (0.88) | 0.46±0.17 (0.51) |
| SUV20% | 1.06±0.50 (0.86) | 0.69±0.12 (0.68) | 0.72±0.18 (0.77) | 0.53±0.12 (0.55) |
| SUV25% | 0.74±0.26 (0.68) | 0.58±0.13 (0.61) | 0.81±0.13 (0.85) | 0.51±0.12 (0.51) |
| SUV30% | 0.56±0.17 (0.57) | 0.49±0.12 (0.50) | 0.87±0.10 (0.90) | 0.45±0.11 (0.46) |
| SUV35% | 0.45±0.13 (0.46) | 0.41±0.12 (0.42) | 0.90±0.08 (0.92) | 0.39±0.11 (0.40) |
| SUV40% | 0.37±0.13 (0.37) | 0.35±0.12 (0.34) | 0.79±0.26 (0.93) | 0.33±0.11 (0.33) |
| Manual contouring | 1.07±0.49 (1.13) | 0.74±0.20 (0.82) | 0.75±0.26 (0.74) | 0.54±0.14 (0.58) |
Abbreviations: GTV, gross target volume; SUV, standardized uptake value; VR, volume ratio; CI, conformity index; DI, degree of inclusion; SD, standard deviation.