Table 3 Sensitivity, specificity, positive predictive values, and negative predictive values of various PET-CT reporting methods
From: PET-CT detection of local residual laryngeal carcinoma after definitive (chemo)radiotherapy
Sensitivity, % (95%CI) | Specificity, % (95%CI) | PPV, % (95%CI) | NPV, % (95%CI) | Accuracy, % | |
|---|---|---|---|---|---|
Sensitive interpretation | 100.0 (66.7–100.0) | 75.0 (62.8–87.3) | 36.0 (4.7–67.4) | 100.0 (93.8–100.0) | 78.1 |
Specific interpretation | 44.4 (0-93.1) | 87.5 (78.8–96.2) | 33.3 (0-79.5) | 91.8 (84.6–99.0) | 82.2 |
NI-RADS | 66.7 (29.0-100.0) | 87.5 (78.8–96.2) | 42.9 (3.3–82.5) | 94.9 (89.1–100.0) | 84.9 |
SUVmax over 3.0 | 100.0 (66.7–100.0) | 48.4 (30.8–66.0) | 21.4 (0-48.2) | 100.0 (90.3–100.0) | 54.8 |
SUVmax over 4.0 | 100.0 (66.7–100.0) | 71.9 (58.9–84.9) | 33.3 (2.5–64.1) | 100.0 (93.5–100.0) | 75.4 |
Mass on primary tumor area | 55.6 (12.1–99.2) | 76.6 (64.8–88.5) | 25.0 (0–63.0) | 92.5 (85.1–99.9) | 74.0 |
SUVmax over 4.0 and mass on primary tumor area | 55.6 (12.1–99.2) | 90.6 (83.1–98.1) | 45.5 (1.9–89.1) | 93.5 (87.2–99.8) | 86.3 |