Univariable Analysis of Subjective and Conventional Quantitative Assessment of 18F-FDG PET for Predicting pathCR
| Univariable analysis | ||||
| Characteristic | n | Odds ratio | 95% confidence interval | P |
| Subjective assessment 18F-FDG PET | 0.001* | |||
| Clinical complete response | 60 | 1.0 (ref) | ||
| No clinical complete response | 157 | 0.30 | 0.15–0.59 | |
| Baseline SUVmax (log) | 217 | 0.63 | 0.37–1.07 | 0.087 |
| Baseline SUVmean (log) | 217 | 0.60 | 0.32–1.13 | 0.112 |
| Baseline MTV (log) | 217 | 0.85 | 0.57–1.26 | 0.408 |
| Baseline TLG (log) | 217 | 0.82 | 0.61–1.10 | 0.181 |
| Postchemoradiation SUVmax (log) | 217 | 0.32 | 0.13–0.80 | 0.015* |
| Postchemoradiation SUVmean (log) | 217 | 0.64 | 0.22–1.89 | 0.420 |
| Postchemoradiation MTV (log) | 217 | 0.34 | 0.21–0.53 | <0.001* |
| Postchemoradiation TLG (log) | 217 | 0.41 | 0.28–0.61 | <0.001* |
| ∆SUVmax (%) | 217 | 1.00 | 0.99–1.01 | 0.701 |
| ∆SUVmean (%) | 217 | 1.01 | 1.00–1.02 | 0.146 |
| ∆MTV(%) | 217 | 1.00 | 0.99–1.00 | 0.142 |
| ∆TLG (%) | 217 | 1.00 | 0.99–1.00 | 0.301 |
↵* Significant difference between pathCR group and pathologic noncomplete response group (P < 0.05).
ref = reference; ∆ = relative change between baseline and postchemoradiation 18F-FDG PET scans.