Table 5.

Performance indicators for the NB model, PRAM score, and physicians’ predictions (95% CI); PPV = positive predictive value, NPV = negative predictive value

	NB model		PRAM score		Physicians
Accuracy [%]	70.7	(60.9, 80.6)	73.2	(63.6, 82.8)	78.0	(69.1, 87.0)
Sensitivity	0.70	(0.58, 0.82)	0.71	(0.60, 0.83)	0.79	(0.68, 0.89)
Specificity	0.73	(0.56, 0.90)	0.77	(0.61, 0.93)	0.77	(0.61, 0.93)
PPV	0.85	(0.74, 0.95)	0.87	(0.77, 0.97)	0.88	(0.79, 0.97)
NPV	0.53	(0.36, 0.69)	0.56	(0.39, 0.72)	0.63	(0.46, 0.79)