Indicator | Preoperative | Postoperative | P |
---|---|---|---|
Harris Hip Score | |||
Mean (range), points | 48.5 (21–71) | 90 (70–98) | < 0.01 |
Rating (no. of hips) | |||
Excellent (90–100 points) | 0 | 53 | |
Good (80–89 points) | 0 | 44 | |
Fair (70–79 points) | 5 | 4 | |
Poor (< 70 points) | 96 | 0 | |
Modified MAP | |||
Mean (range), points | 5.5 (2–10) | 15.4 (12–19) | < 0.01 |
Limp (no. of hips) | |||
Severe | 24 | 0 | |
Moderate | 48 | 4 | |
Slight | 29 | 30 | |
None | 0 | 67 | |
Limb length discrepancy | |||
Mean (range), cm | 3.4 (1.5–7) | 1.1 (0.5–2.2) | P < 0.01 |
Distribution (no. of hips) | |||
< 1 | 0 | 43 | |
1–2 | 11 | 49 | |
2–3 | 26 | 9 | |
3–4 | 15 | 0 | |
4–5 | 41 | 0 | |
> 5 | 8 | 0 | |
SF-12 | |||
PCS | 9.1 (5–17) | 21.0 (18–25) | < 0.01 |
MCS | 12.7 (8–20) | 24.5 (21–29) | < 0.01 |
Hip Dysfunction and Osteoarthritis Outcome Score | |||
Symptoms | 8.9 (4–13) | 16.3 (14–20) | < 0.01 |
Pain | 14.1 (5–24) | 36.1 (34–39) | < 0.01 |
Daily living | 28.1 (19–36) | 58.9 (55–66) | < 0.01 |
Sports and recreational activities | 5.1 (3–7) | 12.9 (10–15) | < 0.01 |
Quality of life | 4.5 (1–8) | 12.3 (12–1) | < 0.01 |