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Table 1 Diagnostic accuracy measures of radiology report and AI algorithm on CTPA

From: Retrospective batch analysis to evaluate the diagnostic accuracy of a clinically deployed AI algorithm for the detection of acute pulmonary embolism on CTPA

 

Radiology report

AI algorithm

p value

Sensitivity in % (95% CI)

91.6 (89.6–93.7)

96.8 (95.5–98.1)

p < 0.001

Specificity in % (95% CI)

99.7 (99.4–99.9)

99.9 (99.8–100.0)

p = 0.035

PPV in % (95% CI)

98.6 (97.8–99.5)

99.7 (99.3–100.0)

p = 0.030

NPV in % (95% CI)

97.8 (97.2–98.3)

99.1 (98.8–99.5)

p < 0.001

  1. PPV = positive predictive value, NPV = negative predictive value, CI = confidence interval, p values concern the comparison between the diagnostic measures of the radiology report versus the AI algorithm