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.