Table 1 Relative percentage difference for non-corrected and corrected images of hardware to nonattenuation-corrected and attenuation-corrected image of blank scan. In vivo data from TX-based AC and CT
NAC | TX-based AC | CT-based AC | TX-to-CT | |
|---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
Acrylic cylinder | 2.2 ± 1.1 | 0.4 ± 1.4 | − 1.9 ± 0.8 | – |
Posterior array | 1.6 ± 0.6 | 0.5 ± 1.5 | 0.7 ± 0.5 | – |
Patient table (S2–S3) | 8.7 ± 1.2 | − 0.7 ± 1.4 | − 4.3 ± 1.3 | – |
In vivo | – | – | – | 4.1 ± 0.9 |