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 Ma1CDE, Jing-yang Sun1BE, Yin-qiao Du1F, Zhi-sen Gao1BF, Jun-min Shen1EF, Tie-jian Li1F, Yong-gang Zhou1AA*DOI: 10.12659/MSM.926239
Med Sci Monit 2020; 26:e926239
Table 1 Demographic and clinical characteristics of patients with Crowe Type IV DDH in the non-SSOT and SSOT groups.
| Non-SSOT (n=46) | SSOT (n=140) | P value | |
|---|---|---|---|
| Age (years) | 42.02±10.44 | 40.64±12.42 | 0.499 |
| BMI (kg/m) | 23.10±3.51 | 22.95±3.82 | 0.819 |
| Sex | 0.076 | ||
| Male | 1 (2.17%) | 16 (11.43%) | |
| Female | 45 (97.83%) | 124 (88.57%) | |
| History of hip surgery | 0.040 | ||
| No | 39 (84.78%) | 132 (94.29%) | |
| Yes | 7 (15.22%) | 8 (5.71%) | |
| Secondary acetabulum | <0.001 | ||
| No | 19 (41.30%) | 133 (95.00%) | |
| Yes | 27 (58.70%) | 7 (5.00%) | |
| Sleeve type | <0.001 | ||
| Triangle-shaped | 29 (63.04%) | 125 (89.29%) | |
| Cone-shaped | 17 (36.96%) | 15 (10.71%) | |
| Height of dislocation (cm) | 4.15±0.97 | 5.56±1.16 | <0.001 |
| H0/H1 (%) | 24.05±4.39 | 31.30±5.80 | <0.001 |
| BMI – body mass index; H1 – height of dislocation; H0 – height of pelvis; SSOT – subtrochanteric shortening osteotomy. | |||