Controlled fracture of the medial wall versus structural autograft with bulk femoral head to increase cup coverage by host bone for total hip arthroplasty in osteoarthritis secondary to developmental dysplasia of the hip: a retrospective cohort study

Table 3 Comparison of radiographic outcomes postoperatively and clinical outcomes of all included patients

DDH	Group A	Group B	Inter
IC (°)	39 ± 4°	38 ± 3°	T = 0.46, p = .65
RCC (%)	91 ± 5%	94 ± 2%	T = − 2.78, p = .009*
Outer diameter of the cup (mm)	46.8 ± 2.0	46.5 ± 1.8	p = .111
Inner diameter of the cup (mm)	29.7 ± 2.2	29.5 ± 2.2	p = .94
Operation time (min)	76.8 ± 20.9	107.2 ± 17.2	T = − 6.49, p < .001*

IC Inclination of cup, RCC Rate of cup coverage, Inter Inter-group comparisons, DDH Developmental dysplasia of the hip
*p values with statistical significance

ISSN: 1749-799X