Table 5.

Comparison of test characteristics. The DS with other published scores.

	TEST
PAM
Specificity	0.78
Sensitivity	0.30
FNrate	0.70
LRP	1.34
LRN	0.90
PPV	0.80
NPV	0.28
P-value	0.382
PAR
Specificity	0.86
Sensitivity	0.18
FNrate	0.82
LRP	1.32
LRN	0.95
PPV	0.79
NPV	0.27
P-value	0.548
MPI
Specificity	0.89
Sensitivity	0.24
FNrate	0.76
LRP	2.16
LRN	0.86
PPV	0.86
NPV	0.29
P-value	0.099
DS Cutoff 7, 9
Specificity	0.82
Sensitivity	0.43
FNrate	0.57
LRP	2.42
LRN	0.70
PPV	0.86
NPV	0.35
P-value	0.010

Abbreviations: FNrate, false negative rate; LRP, likelihood ratio of a positive result; LRN, likelihood ratio of a negative result; PPV, positive predictive value; NPV, negative predictive value; P-value, χ² P-value for clinical prediction vs actual outcome.