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Table 4 Specificity, sensitivity, PPV, NPV and Az value of the imaging features in the diagnosis of MCNs

From: A prospective study on endoscopic ultrasound for the differential diagnosis of serous cystic neoplasms and mucinous cystic neoplasms

Imaging features Sensitivity (95% CI) Specificity (95% CI) PPV (95% CI) NPV (95% CI) Az value (95% CI)
Body/tail location 83.8% (65.5–93.9%) 47.4% (31.3–64.0%) 56.5% (41.2–70.8%) 78.3% (55.8–91.7%) 0.656 (52.7–78.6%)
Round shape 77.4% (58.5–89.7%) 73.7% (56.6–86.0%) 70.6% (52.3–84.3%) 80.0% (62.5–90.9%) 0.756 (63.7–87.4%)
Thick wall 67.7% (48.5–82.7%) 76.3% (59.4–88.0%) 70.0% (50.4–84.6%) 74.4% (57.6–86.4%) 0.720 (59.6–84.5%)
0–2 septa 64.5% (45.4–80.2%) 71.1% (53.9–84.0%) 64.5% (45.4–80.2%) 71.1% (53.9–84.0%) 0.678 (54.9–80.7%)
Two features 90.3% (73.1–97.4%) 60.5% (43.5–75.5%) 65.1% (49.0–78.5%) 88.5% (68.7–97.0%) 0.754 (63.8–87.1%)
Three features 77.4% (58.5–89.7%) 84.2% (68.1–93.4%) 80.0% (60.8–91.6%) 82.1% (65.9–91.9%) 0.808 (69.6–91.7%)
Four features 25.8% (12.5–44.9%) 92.1% (77.5–97.9%) 72.7% (39.3–92.7%) 60.3% (46.6–72.7%) 0.590 (45.2–72.7%)
  1. MCNs mucinous cystic neoplasms, PPV positive predictive value, NPV negative predictive value, CI confidence interval