Volume and SUV Characteristics for All Patients
| Survival > 2 y (n = 19) | Survival < 2 y (n = 15) | ||||||
| Characteristic | Baseline scan | Repeated scan | Change (%) | Baseline scan | Repeated scan | Change (%) | P* |
| Primary-tumor volume (cm3) | 0.215 | ||||||
| Mean ± SD | 56.1 ± 61.1 | 51.1 ± 54.2 | −10.0 ± 18.7 | 68.1 ± 51.8 | 63.1 ± 43.0 | −0.5 ± 19.3 | |
| Range | 3.1–189 | 1.3–185.2 | −65.9–24.0 | 1.1–182 | 1.6–150 | −25.8–47.2 | |
| Total tumor volume (cm3) | 0.918 | ||||||
| Mean ± SD | 71.8 ± 64.3 | 67.1 ± 55.6 | −2.7 ± 12.0 | 94.6 ± 61.9 | 91.3 ± 62.9 | −2.4 ± 14.0 | |
| Range | 19–216 | 18–185 | −23.5–28.3 | 11–218 | 11–255 | −25.8–31.0 | |
| PET volume (cm3) | 0.215 | ||||||
| Mean ± SD | 17.9 ± 24.9 | 15.4 ± 22.2 | −4.5 ± 26.0 | 16.9 ± 13.1 | 18.0 ± 11.3 | 22.6 ± 57.5 | |
| Range | 2–94 | 2–95 | −44.9–56.6 | 2–55 | 3–41 | −34.2–153 | |
| Primary-tumor maximum SUV | 0.015 | ||||||
| Mean ± SD | 11.4 ± 5.6 | 9.2 ± 4.6 | −19.3 ± 21.6 | 8.2 ± 3.2 | 8.3 ± 3.8 | +0.1 ± 18.9 | |
| Range | 4.5–26.8 | 2.1–17.3 | −54.2–24.9 | 2.6–14.1 | 2.5–15.3 | −47.2–26.2 | |
| Mean SUV inside PET volume | 0.007 | ||||||
| Mean ± SD | 7.7 ± 3.7 | 6.1 ± 3.0 | −20.2 ± 20.5 | 5.4 ± 2.1 | 5.6 ± 2.7 | +2.1 ± 21.9 | |
| Range | 3.0–17.3 | 1.4–11.5 | −54.3–14.6 | 1.6–9.1 | 1.6–9.8 | −51.9–44.2 | |
| SUV peak | 0.003 | ||||||
| Mean ± SD | 9.4 ± 4.7 | 7.5 ± 3.9 | −21.3 ± 18.4 | 6.8 ± 2.7 | 7.2 ± 3.7 | +5.4 ± 29.3 | |
| Range | 3.1–20.7 | 1.3–14.3 | −57.2–6.7 | 1.9–11.6 | 2.0–14.2 | −49.5–87.3 | |
↵* Change between survivors and nonsurvivors.