Table 3:
Diagnostic performance of each thin-section MR imaging feature and combination of imaging features for CCFa
| Accuracy | Sensitivity | Specificity | PLR | NLR | |
|---|---|---|---|---|---|
| Abnormal contour of cavernous sinus | 75.5% (65.8–83.6%) | 92.1% (78.6–98.3) | 65% (51.6–76.9) | 2.6 (1.8–3.8) | 0.1 (0.0–0.4) |
| Signal void of cavernous sinus | 70.4% (60.7–78.5%) | 92.1% (79.2–97.3) | 56.7% (44.1–68.4) | 2.1 (1.6–2.9) | 0.1 (0.0–0.4) |
| Any prominent venous drainage flow | 82.7% (74.0–88.9) | 94.7% (82.7–98.5) | 75% (62.8–84.2) | 3.8 (2.4–5.9) | 0.1 (0.0–0.3) |
| Prominent anterior venous drainage flow | 85.7% (77.4–91.3) | 79.0% (63.7–88.9) | 90% (79.9–95.3) | 7.9 (3.6–7.2) | 0.2 (0.1–0.4) |
| Prominent lateral venous drainage flow | 65.3% (55.0–74.6) | 34.2% (19.6–51.2) | 85% (73.4–92.9) | 2.3 (1.1–4.8) | 0.8 (0.6–1.0) |
| Prominent posterior venous drainage flow | 74.5% (64.7–82.8) | 47.4% (31.0–64.2) | 91.7% (81.6–97.2) | 5.7 (2.3–14.0) | 0.6 (0.4–0.8) |
| Orbital/periorbital soft tissue swelling | 86.7% (78.6–92.1) | 84.2% (69.6–92.6) | 88.3% (77.8–94.2) | 7.2 (3.6–14.7) | 0.2 (0.1–0.4) |
| Combination 1 (any prominent venous drainage flow AND internal signal void of cavernous sinus) | 91.8% (84.7–95.8) | 89.5% (75.9–95.8) | 93.3% (84.1–97.4) | 13.4 (5.2–34.8) | 0.1 (0.0–0.3) |
| Combination 2 (any prominent venous drainage flow AND orbital/periorbital soft tissue swelling) | 89.8% (82.2–94.4) | 79.0% (63.7–88.9) | 96.7% (88.6–99.1) | 23.7 (6.0–93.4) | 0.2 (0.1–0.4) |
| Combination 3 (prominent anterior venous drainage flow OR orbital/periorbital soft tissue swelling) | 85.7% (77.4–91.3) | 92.1% (79.2–97.3) | 81.7% (70.1–89.4) | 5.0 (2.9–8.6) | 0.1 (0.0–0.3) |
Note:—PLR indicates positive likelihood ratio; NLR, negative likelihood ratio.
a
Data in parentheses are 95% confidence intervals.