Table 4.

Patient-based diagnostic performance of two image sets in each round

	CE-CT	NE-AMRI
Round 1
Sensitivity (%)	72.0 [57.5–83.8]	86.0 [73.3–94.2]
Specificity (%)	85.8 [82.7–88.6]	90.6 [88.0–92.9]
PPV	30.3 [25.0–36.1]	43.9 [37.3–50.7]
NPV	97.3 [95.8–98.2]	98.7 [97.4–99.3]
Accuracy	84.6 [81.9–87.6]	90.2 [87.9–92.6]
Round 2
Sensitivity (%)	76.2 [60.5–87.9]	88.1 [74.4–96.0]
Specificity (%)	83.6 [79.9–86.8]	87.5 [84.5–90.7]
PPV	29.4 [24.2–35.1]	39.4 [33.2–45.9]
NPV	97.5 [95.8–98.5]	98.8 [97.3–99.5]
Accuracy	82.7 [79.3–85.9]	87.4 [84.6–90.4]
Round 3
Sensitivity (%)	70.4 [49.8–86.2]	88.9 [70.8–97.6]
Specificity (%)	84.2 [79.9–88.0]	90.5 [86.8–93.4]
PPV	26.4 [20.2–33.7]	42.9 [34.5–51.7]
NPV	97.3 [95.2–98.4]	99.0 [97.2–99.7]
Accuracy	83.2 [79.3–87.1]	90.3 [87.3–93.4]

Data are percentages, with 95% CI in parenthesis.