Test for Disease state   (N) Positive PDC 33   GSIJD    15   SLS 19 Negative PDC 20   GSIJD 38   SLS         34

Table 4: Receiver operating characteristic Curve case processing summary for Posterior Dimple Compression (PDC), Gross Sacro-Iliac Joint Distraction (GSIJD) and Supine-Long Sitting (SLS) Tests.