Test Type No. of positive Tests No. of negative Tests χ2 P-Value
PDC          
  Male 17 7 1.37 0.24
  Female 16 3    
GSIJC          
  Male 5 19 1.21 0.27
  Female 10 19    
GSIJD          
  Male 9 15 0.083 0.77
  Female 12 17    
SLS Male 8 16 0.12 0.73
  Female 11 18    
No. -Number
Table 7: Association between sex and sensitivity/specificity for Posterior Dimple Compression (PDC), Gross Sacro-Iliac Joint Compression (GSIJC), Gross Sacro- Iliac Joint Distraction (GSIJD) and Supine-Long Sitting (SLS) Tests.