Skip to main content
. 2022 Mar 24;95(1134):20210979. doi: 10.1259/bjr.20210979

Table 3.

Test characteristics of Annalise.ai interpretation compared to radiologist

Radiologist reporting of CXR Annalise.ai AUC (95% CI) Radiologist & Annalise.ai combined
TP FP TN FN Sensitivity Specificity TP FP TN FN Sensitivity Specificity Sensitivity Specificity
Pneumothorax 57 8 1224 115 33.1%
(26.2–40.7)
99.4%
(98.7–99.7)
67 2 1227 104 39.2%
(31.8–46.9)
99.8%
(99.4–100)
0.926 (0.896–0.953) 45.6%
(38.0–53.4)
99.2%
(98.5–98.5-99.6)
Pneumomediastinum 3 1 1376 24 11.1%
(2.4–29.2)
99.9%
(99.6–100)
3 0 1373 24 11.1
(2.4–29.2)
100%
(99.7–100)
0.872 (0.786–0.958) 14.8%
(4.2–33.7)
99.9%
(99.6–100)
Rib fracture 113 13 1042 236 32.4%
(27.5–37.6)
98.8%
(97.9–99.3)
143 75 977 205 41.1%
(35.9–46.5)
92.9%
(91.2–94.4)
0.749 (0.717–0.780) 49.4%
(44.1–54.8)
91.9 (90.1–93.5)
Clavicle fracture 43 3 1322 36 54.4%
(42.8–65.7)
99.8%
(99.3–100)
44 37 1284 35 55.7%
(44.1–66.9)
97.2%
(96.2–98.0)
0.831 (0.775–0.887) 69.6%
(58.3–79.5)
97.1 (96.0–97.9)
Humerus fracture 21 2 1371 10 67.7%
(48.6–83.3)
99.9%
(99.5–100)
10 8 1361 21 32.3%
(16.7–51.4)
99.4%
(98.9–99.8)
0.836 (0.743–0.929) 74.2%
(55.4–88.1)
99.3%
(98.8–99.7)
Scapular fracture 15 5 1344 40 27.3%
(16.1–41.0)
99.6%
(99.1–99.9)
19 64 1281 36 34.6%
(22.2–48.9)
95.2%
(94.0–96.3)
0.855 (0.790–0.920) 45.5%
(32.0–59.5)
94.9 (93.6–96.1)
Lobar/segmental collapse 4 1 1366 33 10.8%
(3.0–25.4)
99.9%
(99.6–100)
13 21 1343 23 36.1%
(20.8–53.8)
98.5%
(97.7–99.0)
0.917 (0.856–0.979) 36.1%
(20.8–53.8)
98.5% (97.7–99.0)

FN, false negative; FP, false positive; TP, true positive; TP, true positive.