Table 4. Performance in the validation cohort depending on the value of the PARIS score (performance for a score ≥ to the value).

PARIS score	Sensitivity	Specificity	PPV	NPV	N
0	1	0	0.64	NA	40
1	1	0.28	0.71	1	39
2	0.99	0.53	0.79	0.98	46
3	0.92	0.72	0.85	0.83	60
4	0.79	0.90	0.93	0.70	120
5	0.38	0.99	0.99	0.47	100

PPV = Positive Predictive Value; NPV = Negative Predictive Value; N: Number of Patients.