Table 3 Possibilities of measurement differences within 1 cm, 2 cm, and 3 cm between endoscopic and FDG PET/CT measurements
Comparison group | % within 1 cm (95% CI) | % within 2 cm (95% CI) | % within 3 cm (95% CI) |
|---|---|---|---|
Reader A exam1 versus endoscopy | 62.9% (46.9–78.9%) | 77.1% (63.2–91.1%) | 88.6% (78.0–99.1%) |
Reader A exam2 versus endoscopy | 57.1% (40.8–73.5%) | 77.1% (63.2–91.1%) | 88.6% (78.0–99.1%) |
Reader B exam1 versus endoscopy | 57.1% (40.8–73.5%) | 82.9% (70.4–95.3%) | 94.3% (86.6–100.0%) |
Reader B exam2 versus endoscopy | 54.3% (37.8–70.8%) | 80.0% (66.8–93.3%) | 91.4% (82.1–100.0%) |