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. 2018 Mar 12;5(2):137–149. doi: 10.1093/jhps/hny006

Table III.

Prevalence of each combination of coexistence of AD and FAI-related deformities

All subjects (128 hips) Males (64 hips) Females (64 hips) P-value*
Definite AD and FAI-related deformities 7.8% (10/128) 7.8% (5/64) 7.8% (5/64) 1
[4.3%–13.8%] [3.4%–17.0%] [3.4%–17.0%]
 Definite AD + cam deformity 6.3% (8/128) 4.7% (3/64) 7.8% (5/64) 0.465
[3.2%–11.8%] [1.6%–12.9%] [3.4%–17.0%]
 Definite AD + pincer deformity 0% (0/128) 0% (0/64) 0% (0/64)
[0%–2.9%] [0%–5.7%] [0%–5.7%]
 Definite AD + combined deformity 1.6% (2/128) 3.1% (2/64) 0% (0/64) 0.154
[0.4%–5.5%] [0.9%–10.7%] [0%–5.7%]
Borderline AD and FAI-related deformities 15.6% (20/128) [10.3%–22.9%] 20.3% (13/64) [12.3%–31.7%] 10.9% (7/64) [5.4%–20.9%] 0.144
 Borderline AD + cam deformity 13.3% (17/128) [8.5%–20.2%] 17.2% (11/64) [9.9%–28.2%] 9.4% (6/64) [4.4%–19.0%] 0.193
 Borderline AD + pincer deformity 1.6% (2/128) 1.6% (1/64) 1.6% (1/64) 1
[0.4%–5.5%] [0.3%–8.3%] [0.3%–8.3%]
 Borderline AD + combined deformity 0.8% (1/128) 1.6% (1/64) 0% (0/64) 0.315
[0.1%–4.3%] [0.3%–8.3%] [0%–5.7%]
AD in total (definite and borderline) and FAI-related deformities 23.4% (30/128) 28.1% (18/64) 18.7% (12/64) 0.210
[16.9%–31.5%] [18.6%–40.1%] [11.1%–30.0%]
 AD in total (definite and borderline) + cam deformity 19.5% (25/128) 21.9% (14/64) 17.2% (11/64) 0.504
[13.6%–27.2%] [13.5%–33.4%] [9.9%–28.2%]
 AD in total (definite and borderline) + pincer deformity 1.6% (2/128) 1.6% (1/64) 1.6% (1/64) 1
[0.4%–5.5%] [0.3%–8.3%] [0.3%–8.3%]
 AD in total (definite and borderline) + combined deformity 2.3% (3/128) 4.7% (3/64) 0% (0/64) 0.079
[0.8%–6.7%] [1.6%–12.9%] [0%–5.7%]

Data are shown as percentage [95% CI]. AD, acetabular dysplasia; FAI, femoroacetabular impingement.

*

Male versus female, evaluated with χ2 test. P-values of <0.05 were considered statistically significant.