Table 1.
Demographic | History of surgically treated patients | History of conservatively treated patients | p value |
---|---|---|---|
Number of hips (number of patients) | 30 (29) | 69 (66) | |
Male | 25 | 54 | 0.56 |
Female | 5 | 15 | |
Age* at THA (years) | 40 ± 14 | 51 ± 14 | 0.0006 |
Operative time* (minutes) | 168 ± 65 | 172 ± 63 | 0.75 |
Blood loss* (mL) | 700 ± 350 | 780 ± 734 | 0.47 |
Height* (m) | 1.74 ± 0.12 | 1.72 ± 0.09 | 0.28 |
Weight* (kg) | 91 ± 26 | 85 ± 21 | 0.39 |
Body mass index* (kg/m2) | 30 ± 7 | 29 ± 6 | 0.67 |
Reported preoperative Harris hip score (HHS) | 21 | 58 | |
Preoperative HHS* | 55 ± 8 | 57 ± 10 | 0.47 |
Time* from THA (years) | 6 ± 4 | 8 ± 5 |
* Value expressed as mean ± SD; LCPD = Legg-Calvé-Perthes disease.