Table 6 Correlation between tumor SULpeak and PET-based therapeutic response in the study population
Objective response by PERCIST | Test value# | P value | Sig. | ||||
|---|---|---|---|---|---|---|---|
CMR | PMR | SMD | PMD | ||||
No. = 18 | No. = 9 | No. = 2 | No. = 4 | ||||
Base SULpeak | |||||||
Median (IQR) | 9.1 (4.7–14) | 12.3 (7.3–16) | 12.75 (5.5–20) | 10.4 (6.15–12) | 1.185 | 0.757 | NS |
Range | 2–29.3 | 4.7–21.7 | 5.5–20 | 3.5–12 | |||
End SULpeak | |||||||
Median (IQR) | 0 (0–0) | 2.8 (2.6–3.7) | 13.64 (6.28–21) | 3.47 (1.32–5.45) | 24.085 | 0.000 | HS |
Range | 0–1.4 | 2.2–8.9 | 6.28–21 | 0–6.6 | |||
Uptake reduction (%) | |||||||
Median (IQR) | 100 (100–100) | 56 (44–75) | 0 (0–0) | 54.5 (34.5–82) | 27.310 | 0.000 | HS |
Range | 100–100 | 37–89 | 0–0 | 24–100 | |||