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. 2022 Sep 14;10(9):E1201–E1207. doi: 10.1055/a-1881-3178

Table 2. Performance characteristics of ATENEA and the endoscopists for diagnosis of adenoma.

TP FP TN FN PPV SENS NPV Spec Accuracy
ATENEA, n = 90 63 9 12  6 87.5 % (95 % CI: 78 %–94%) 91.3 % (95 % CI: 82 %–97%) 66.7 % (95 % CI: 41 %–87%) 57.1 % (95 % CI: 34 %–78%) 83.3 % (95 % CI: 74 %–90%)
Endoscopists, n = 90 52 1 20 17 98.1 % (95 % CI: 90 %–100%) 75.4 % (95 % CI: 64 %–85%) 54.0 % (95 % CI: 37 %–71%) 95.2 % (95 % CI: 76 %–100%) 80.0 % (95 % CI: 70 %–88%)
P value 0.07 0.02 0.55 0.01 0.7
ATENEA diminutive polyps  ≤ 5 mm, n = 52 30 7 11  4 81.1 % (95 % CI: 65 %–92%) 88.2 % (95 % CI: 73 %–97%) 73.3 % (95 % CI: 45 %–92%) 61.1 % (95 % CI: 36 %–83%) 78.8 % (95 % CI: 65 %–89%)
Endoscopists diminutive polyps  ≤ 5 mm, n = 52 20 1 17 14 95.2 % (95 % CI: 76 %–100%) 58.8 % (95 % CI: 41 %–75%) 54.8 % (95 % CI: 36 %–73%) 94.4 % (95 % CI: 73 %–100%) 71.1 % (95 % CI: 57 %–83%)
P value 0.27 0.01 0.38 0.04 0.5
ATENEA small polyps  < 10 mm, n = 73 47 9 12  5 83.9 % (95 % CI: 72 %–92%) 90.4 % (95 % CI: 79 %–97%) 70.6 % (95 % CI: 44 %–90%) 57.2 % (95 % CI: 34 %–78%) 80.8 % (95 % CI: 70 %–89%)
Endoscopists small polyps  < 10 mm, n = 73 36 1 20 16 97.3 % (95 % CI: 86 %–100%) 69.2 % (95 % CI: 55 %–81%) 55.5 % (95 % CI: 38 %–72%) 95.2 % (95 % CI: 76 %–100%) 76.7 % (95 % CI: 65 %–86%)
P value 0.09 0.02 0.46 0.01 0.69

TP, true positive; FP, false positive; TN, true negative; FN, false negative; PPV, positive predictive value; SENS, sensitivity; NPV, negative predictive value; SPEC, specificity.