Table 1.
Clinical characteristics in the study sample (n = 80; current thresh: 42).
| Characteristics | All samples (n = 80) | Training (n = 64) | Internal testing (n = 8) | External testing (n = 8) | P |
|---|---|---|---|---|---|
| Disease (ADC) | 47 (58.8%) | 37 (57.8%) | 5 (62.5%) | 5 (62.5%) | 0.943 |
| Sex (female) | 20 (25.0%) | 14 (21.9%) | 4 (50.0%) | 2 (25.0%) | 0.266 |
| Position (1) | 41 (51.2%) | 33 (51.6%) | 4 (50.0%) | 4 (50.0%) | 0.994 |
| Age (year) | 67.0 (62.3–72.8) | 67.0 (63.0–71.0) | 65.5 (60.5–75.0) | 67.5 (55.3–74.5) | 0.996 |
| TLG (g/mL × cm3) | 91.5 (37.9–236.4) | 81.5 (36.4–228.4) | 271.4 (128.9–458.5) | 83.5 (40.5–145.1) | 0.112 |
| Volume (cm3) | 13.7 (6.9–33.5) | 13.2 (6.6–30.1) | 31.1 (13.8–56.5) | 12.0 (8.9–30.4) | 0.264 |
| Peak | 9.4 (5.3–11.9) | 9.2 (5.3–11.9) | 11.5 (9.0–16.0) | 8.9 (4.0–10.3) | 0.261 |
| Threshold (/42%) | 5.0 (3.2– 6.1) | 5.0 (3.2–6.1) | 5.9 (4.4–8.3) | 4.5 (2.5–5.2) | 0.286 |
| SUVmin | 5.1 (3.2–6.2) | 5.0 (3.2–6.1) | 5.9 (4.4–8.3) | 4.5 (2.5–5.2) | 0.268 |
| SUVmax | 12.0 (7.7–14.6) | 11.8 (7.7–14.5) | 14.0 (10.5–19.8) | 10.7 (6.0–12.3) | 0.285 |
| SUVmean | 7.0 (4.5–8.8) | 6.9 (4.5–8.8) | 8.1 (6.5–12.5) | 6.4 (3.1–7.6) | 0.231 |
| Relative deviation | 0.21 (0.20–0.23) | 0.21 (0.19–0.23) | 0.21 (0.19–0.22) | 0.22 (0.20–0.23) | 0.716 |
| STD | 1.4 (0.9–1.9) | 1.4 (0.9–1.9) | 1.6 (1.4–2.5) | 1.4 (0.5–1.7) | 0.298 |