Table 3.

Performance of the Cox regression model and an ANN on 398 patients with SARS-CoV-2 in a West London hospital, during March 1–April 24, 2020

	Cox regression model (95% CI)	ANN model (95% CI)	Cox regression vs ANN model
Sensitivity	50.0% (28.2–71.8)	64.7% (38.3–85.8)
Specificity	96.6% (88.1–99.6)	96.8% (89–99.6)
Positive predictive value	84.6% (57.0–95.8)	84.6% (57.4–95.7)
Negative predictive value	83.6% (77.0–88.6)	91.4% (84.2–95.1)
Accuracy	83.75% (73.8–91.1)	90.0% (81.2–95.6)
AUROC	86.9% (85.7–88.2)	92.6% (91.1–94.1)	Z = 12.021, p < 0.001

ANN artificial neural network, AUROC area under the receiver operating characteristic curve