25 October 2020>: Clinical Research
Model to Predict Need for Subtrochanteric Shortening Osteotomy During Total Hip Arthroplasty for Crowe Type IV Developmental Dysplasia
Hai-yang Ma CDE* , Jing-yang Sun BE* , Yin-qiao Du F , Zhi-sen Gao BF , Jun-min Shen EF , Tie-jian Li F , Yong-gang Zhou A*DOI: 10.12659/MSM.926239
Med Sci Monit 2020; 26:e926239
Table 2 Predictive factors for SSOT use in patients with Crowe Type IV DDH according to Cox proportional hazards regression models.
Exposure | Univariate | Multivariate |
---|---|---|
Sex | ||
0 | 1.0 | 1.0 |
1 | 5.81 (0.75,45.05) 0.0924 | 1.62 (0.16,16.94) 0.6849 |
Age | 0.99 (0.96,1.02) 0.4966 | 0.97 (0.92,1.01) 0.1568 |
BMI | 0.99 (0.91,1.08) 0.8180 | 1.04 (0.90,1.20) 0.5597 |
History of surgery | ||
0 | 1.0 | 1.0 |
1 | 0.34 (0.12,0.99) 0.0479 | 0.41 (0.10,1.65) 0.2106 |
Use of cone-shaped sleeve | ||
0 | 1.0 | 1.0 |
1 | 0.20 (0.09,0.46) 0.0001 | 0.18 (0.06,0.53) 0.0018 |
Secondary acetabulum | ||
0 | 1.0 | 1.0 |
1 | 0.04 (0.01,0.10) | 0.10 (0.03,0.33) 0.0001 |
H0/H1 | 1.33 (1.21,1.46) | 1.24 (1.11,1.38) 0.0002 |
BMI – body mass index; DDH – developmental dysplasia of the hip; H1 – height of dislocation; H0 – height of pelvis; SSOT subtrochanteric shortening osteotomy. |