tokens: There was no association of the presence of OCD - like lesion with early- vs late - onset disease , gender , age at imaging , laterality , magnitude of deformity [ mean mechanical axis deviation ( MAD ) 63.3 vs 71.9 mm ] , mean mechanical lateral distal femoral angle ( mLDFA ; 91.3 vs 89.7 Â° ) , and mean medial proximal tibial angle ( MPTA ; 71.7 vs 71.8 Â° ) .