Table 2.

Diagnostic parameters in both study arms.

	Control arm n = 262 (%) (95% CI) [absolute numbers]	Intervention arm n = 264 (%) (95% CI) [absolute numbers]	p-value
Sensitivity	97.7 (91.8–99.6) [85/87]	98.0 (92.9–99.7) [98/100]	1.0
Specificity	75.4 (72.5–76.4) [132/175]	75.6 (72.5–76.6) [124/164]	1.0
PPV	66.4 (62.4–67.7) [85/128]	71.0 (67.3–72.2) [98/138]	0.50
NPV	98.5 (94.7–99.7) [132/134]	98.4 (94.4–99.7) [124/126]	1.0
AUC	0.866 (0.821–0.910)	0.868 (0.824–0.912)	0.93

Abbreviations - CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value; AUC: area under the ROC curve.