Table 3.
Summary statistics of correlation between mean apparent diffusion coefficient (ADCmean) values, mean R2* (R2*mean) values and fluorine-18 fludeoxyglucose positron emission tomography (18F-FDG-PET) parameters: pre-treatment and mid-treatment (Week 3)
| Parameters | Spearman correlation |
|
|---|---|---|
| ADCmean | R2*mean | |
| Pre-treatment | ||
| SUVmax | −0.264 (p = 0.193) | −0.528 (p = 0.008) |
| SUVmean | −0.323 (p = 0.108) | −0.498 (p = 0.013) |
| MTV | −0.320 (p = 0.111) | −0.546 (p = 0.006) |
| TLG | −0.322 (p = 0.109) | −0.525 (p = 0.008) |
| R2*mean | 0.225 (p = 0.301) | |
| Week 3 | ||
| SUVmax | 0.076 (p = 0.763) | −0.405 (p = 0.096) |
| SUVmean | 0.067 (p = 0.797) | −0.240 (p = 0.338) |
| MTV | 0.108 (p = 0.669) | −0.424 (p = 0.079) |
| TLG | −0.005 (p = 0.984) | −0.459 (p = 0.055) |
| R2*mean | 0.160 (p = 0.514) | |
MTV, metabolic tumour volume; SUVmax, maximum standardized uptake value; SUVmean, mean standardized uptake value; TLG, total lesional glycolysis.