Variables
PDC
GSIJD
SLS
Sensitivity
0.91
0.57
0.67
Specificity
0.56
0.91
0.84
PPV
0.58
0.80
0.74
NPV
0.90
0.76
0.79
P LR
2.10
6.33
4.19
NLR
0.47
0.47
0.39
95% CI
0.60, 0.87
0.64, 0.92
0.63, 0.91
PPV=Positive Predictive Value; NPV= Negative Predictive Value; PLR= Positive Likelihood Ratio; NLR= Negative Likelihood Ratio; 95% CI=95% Confidence Interval
Table 5:
Sensitivity, Specificity, Likelihood Ratios and Predictive Values for Posterior Dimple Compression (PDC), Gross Sacro-Iliac Joint Distraction (GSIJD) and Supine-Long Sitting (SLS) Tests