From: Total hip arthroplasty: leg length inequality impairs functional outcomes and patient satisfaction
Baseline characteristics |  | Controls (N = 825) | Cases (N = 275) |
---|---|---|---|
Sex | M | 50.2% | 50.2% |
 | F | 49.8% | 49.8% |
Age at procedure (years) | Mean (SD) | 67 (9) | 67 (9) |
Weight (kg) | Mean (SD) | 75 (14) | 75 (13) |
Height (cm) | Mean (SD) | 167 (9) | 167 (9) |
Charnley class | A | 59.7% | 62.2% |
 | BB | 17.5% | 16.8% |
 | B | 20.9% | 18.9% |
 | C | 1.9% | 2.1% |
Previous Surgery | Yes | 4.0% | 4.7% |
Clinic Size | small | 10.1% | 10.5% |
 | medium | 32.6% | 26.6% |
 | large | 57.3% | 62.9% |
Fixation of components | all cemented | 18.3% | 16.3% |
 | all uncemented | 17.8% | 16.7% |
 | hybrid | 50.2% | 50.6% |
 | reverse hybrid | 13.7% | 16.4% |
Duration of procedure | <90 min | 46.9% | 48.0% |
 | 90 min > x <135 min | 40.9% | 42.9% |
 | >135 min | 12.2% | 9.1% |
Decade of procedure | 1970's | 5.2% | 1.1% |
 | 1980's | 44.5% | 48.0% |
 | 1990's | 49.0% | 49.8% |
 | after year 2000 | 1.3% | 1.1% |