Table 2.
Clinical results
| Parameters | Before revision surgery | Final followup (16.1 years) | Improvement | p Value (ANOVA) |
|---|---|---|---|---|
| Total Harris hip score (points)* |
Mean 39 ± 10 (21–54) | Mean 86 ± 14 (50–92) | Mean 47 (29–38) [39.1–52.3] |
0.002 |
| Pain score | Mean 14 (9–19) | Mean 42 (26–44) | 28 (17–25) | |
| Function score | Mean 25 (12–35) | Mean 44 (24–48) | 19 (12–13) | |
| Degree of pain | ||||
| None | 0 | 40 patients (33%) | < 0.001 | |
| Slight | 0 | 32 patients (27%) | ||
| Mild | 0 | 28 patients (23%) | ||
| Moderate | 85 patients (71%) | 9 patients (8%) | ||
| Marked | 35 patients (29%) | 11 patients (9%) | ||
| Totally disabled | 0 | 0 | ||
| Limp | ||||
| None | 0 | 30 patients (25%) | 0.004 | |
| Slight | 0 | 42 patients (35%) | ||
| Moderate | 85 patients (71%) | 37 patients (31%) | ||
| Severe | 35 patients (29%) | 11 patients (9%) | ||
| Unable to walk | 0 | 0 | ||
| Support | ||||
| None | 0 | 87 patients (72%) | 0.004 | |
| Cane, long walks | 0 | 13 patients (11%) | ||
| Cane, full time | 60 patients (50%) | 9 patients (8%) | ||
| 1 crutch | 7 patients (6%) | 0 | ||
| 2 crutches | 53 patients (44%) | 11 patients (9%) | ||
| Unable to walk | 0 | 0 | ||
| Distance walked | ||||
| Unlimited | 0 | 40 patients (33%) | 0.004 | |
| 6 blocks | 0 | 60 patients (50%) | ||
| 2–3 blocks | 85 patients (71%) | 9 patients (8%) | ||
| Indoors only | 35 patients (29%) | 11 patients (9%) | ||
| Bed and chair | 0 | 0 | ||
| WOMAC score | ||||
| Total | Mean 62.9 ± 29 (41–91) | Mean 22 ± 19 (11–51) | Mean 40 (30–40) | 0.003 |
| Satisfaction | ||||
| Fully satisfied | 0 (0%) | 40 patients (33%) | ||
| Satisfied | 0 (0%) | 60 patients (50%) | ||
| Somewhat dissatisfied | 0 (0%) | 9 patients (8%) | ||
| Fully dissatisfied | 130 patients (100%) | 11 patients (9%) |
* Ranges in parentheses. 95% CI in brackets.