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. 2021 Nov 30;95(1129):20210759. doi: 10.1259/bjr.20210759

Table 1.

Diagnostic performance of DL-based CT severity score

Training cohort
(n = 503)
Test cohort
(n = 756)
Prevalence, % 51.1 51.9
Sensitivity, % (95% CI) 41.6% (35.5–47.9%) 39.0 (34.2–44.1)
Specificity, % (95% CI) 80.5 (75.0–85.2) 80.2 (75.8–84.2)
Positive predictive value, % (95% CI) 69.0 (61.1–76.2) 68.0 (61.5–74.0)
Negative predictive value, % (95% CI) 56.9 (51.5–62.2) 55.0 (50.9–59.3)
Accuracy, % (95% CI) 60.6 (56.2–64.9) 58.9 (55.3–62.4)