Table 2. The degree of labral and chondral pathology associated with specific conditions.

Condition (patient number)	Labral tear	Labral chondral transitional zone	Acetabular cartilage loss	Femoral cartilage loss
DDH (14 patients)	10 patients: 8 anterior; 1 anterolateral; 1 lateral	1 anterior	11 patients: 9 anterior; 1 lateral; 1 diffuse	3 patients: 1 anterior; 1 lateral; 1 posterior
Perthe's disease (3 patients)	2 tears anterior	0	3 patients: 2 anterior; 1 diffuse	1 diffuse
Acetabular retroversion (11 patients)	5 patients: 4 anterior; 1 anterolateral	1 anterior	5 patients: 5 anterior	0
FAI (20 patients)	8 patients: 7 anterior; 1 anterolateral	6 patients: 5 anterior; 1 anterolateral	15 patients: 11 anterior; 3 anterolateral; 1 anterior and posterior	2 patients: 1 anterior; 1 central

DDH, developmental dysplasia of the hip; FAI, femoro-acetabular impingement