Table 2.
Diagnostic accuracy of conventional imaging (CT/MRI/EUS) 1990–2017.
| Sensitivity | Specificity | PPV | NPV | Positive LR | Negative LR | |
|---|---|---|---|---|---|---|
| Pancreatic head | ||||||
| Conventional imaging 1990–2017 | 62.5 (50.2–73.4) | 98.4 (96.2–99.4) | 88.9 (76.0–95.6) | 92.8 (89.4–95.1) | 39.1 (16.1–95.3) | 0.38 (0.28–0.52) |
| 2010–2017 | 52.9 (36.7–68.6) | 97.3 (90.2–99.8) | 90.0 (68.7–98.4) | 82.0 (72.7–88.7) | 19.9 (4.9–80.8) | 0.48 (0.34–0.70) |
| 2000–2009 | 70.8 (50.6–85.3) | 99.4 (96.5–100) | 94.4 (72.4–100) | 96.1 (92.1–98.3) | 124.0 (17.3–889.9) | 0.29 (0.16–0.55) |
| 1990–1999 | 83.3 (41.8–98.9) | 96.8 (88.5–99.8) | 71.4 (35.2–92.4) | 98.4 (90.6–100) | 26.3 (6.4–107.5) | 0.17 (0.03–1.03) |
| Pancreatic body/tail | ||||||
| Conventional imaging 1990–2017 | 72.5 (64.6–79.2) | 96.2 (92.8–98.1) | 92.0 (85.3–96.0) | 85.3 (80.5–89.1) | 18.9 (9.9–36.2) | 0.29 (0.22–0.37) |
| 2010–2017 | 76.1 (61.9–86.2) | 96.8 (88.5–99.8) | 94.6 (81.4–99.4) | 84.7 (74.5–91.4) | 24.0 (6.1–94.6) | 0.25 (0.15–0.41) |
| 2000–2009 | 71.8 (60.4–81.0) | 99.2 (95.3–100) | 98.1 (88.9–100) | 86.4 (79.8–91.1) | 91.9 (13.0–651.3) | 0.28 (0.20–0.41) |
| 1990–1999 | 68.0 (48.3–82.9) | 86.4 (72.9–94.0) | 73.9 (53.2–87.7) | 82.6 (69.0–91.2) | 5.0 (2.3–11.0) | 0.37 (0.21–0.66) |
95% CIs are given in parentheses.
LR, likelihood ratio; NPV, negative predictive value; PPV, positive predictive value.