Table 4.
Diagnostic performances of the SUV parameters at 18F-Alfatide PET/CT in patients with AC.
| AC | Sensitivity | Specificity | PPV | NPV | Accuracy | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| % | 95%CI | % | 95%CI | % | 95%CI | % | 95%CI | % | 95%CI | |
| Visual | 100.0 | 54.1–100 | 94.9 | 88.5–98.3 | 54.6 | 23.4–83.3 | 100 | 96.1–100 | 95.2 | 89.1–98.4 |
| SUVmax | 83.3 | 35.9–99.6 | 94.9 | 88.5–98.3 | 50.0 | 18.7–81.3 | 98.9 | 94.2–100 | 94.2 | 87.9–97.9 |
| SUVmean | 100.0 | 54.1–100 | 80.6 | 71.4–87.9 | 24.0 | 9.4–45.1 | 100.0 | 95.4–100 | 81.7 | 73.0–88.6 |
| SUVLN/PT | 66.7 | 22.3–95.7 | 78.6 | 69.1–86.2 | 16.0 | 4.5–36.1 | 97.5 | 95.2–99.7 | 77.9 | 68.7–85.4 |
| SUVLN/MBP | 83.3 | 35.9–99.6 | 68.4 | 58.2–77.4 | 13.9 | 4.7–29.5 | 98.5 | 92.1–100 | 69.2 | 59.4–77.9 |
| SUVLN/M | 100 | 54.1–100 | 91.8 | 84.6–96.4 | 42.9 | 17.7–71.1 | 100 | 95.4–100 | 92.3 | 85.4–96.6 |
AC, adenocarcinoma; PPV, positive predictive value; NPV, negative predictive value; CI, confidence interval; SUV, standardized uptake value; LN, lymph node; MBPS, mediastinal blood pool; M, muscle.