Quality of life outcome scores
| Instrument | Score, mean (SD) [range] | p value | |
|---|---|---|---|
| Baseline | Follow-up | ||
| WOMAC | |||
| Function | 37.6 (21.2) [0.0–75.0] | 84.0 (18.8) [29.4–100] | < 0.001 |
| Stiffness | 35.1 (22.1) [0.0–75.0] | 75.0 (24.3) [12.5–100] | < 0.001 |
| Pain | 36.1 (21.4) [0.0–75.0] | 86.3 (18.4) [35.0–100] | < 0.001 |
| Global | 42.2 (22.1) [0.0–78.1] | 84.1 (18.4) [31.3–100] | < 0.001 |
| Oxford Hip Score (13) | 30.9 (18.3) [4.2–62.5] | 83.0 (18.0) [33.3–100] | < 0.001 |
| SF-12 | |||
| Physical | 25.2 (5.6) [13.8–34.9] | 40.2 (13.6) [12.2–61.5] | < 0.001 |
| Mental | 39.7 (11.3) [22.5–56.7] | 48.6 (11.1) [28.4–66.6] | 0.039 |
| UCLA Activity score | 3.2 (1.6) [2.0–6.0] | 5.2 (2.0) [2.0–8.0] | 0.33 |
| Patient satisfaction score | |||
| Pain | NA | 88.2 (21.5) [33.3–100] | |
| Function | NA | 80.4 (28.6) [0.0–100] | |
| Recreation | NA | 77.5 (31.5) [0.0–100] | |
| Overall | NA | 86.3 (26.1) [0.0–100] | |
| Mean | NA | 83.1 (25.3) [16.7–100] | |
NA = not applicable; SD = standard deviation; SF-12 = Short Form 12; (12) UCLA = University of California, Los Angeles; (11) WOMAC = The Western Ontario and McMaster Universities Osteoarthritis Index. (10)