Table 1 Demographic and clinical characteristics of the study patients
Total sample No. | Clinical success (N = 30) | Failure (THA, N = 9) | P value | |
|---|---|---|---|---|
Gender (M/F) | 22/17 | 20/10 | 2/7 | 0.026 |
Mean age, years | 43.6 ± 14.0 | 40.7 ± 13.4 | 53.2 ± 12.3 | 0.019 |
≥ 55 years/< 55 years | 9/30 | 4/26 | 5/4 | 0.018 |
Mean BMI | 24.5 ± 4.0 | 24.0 ± 3.8 | 26.1 ± 4.7 | 0.309 |
≥ 25/< 25 | 15/24 | 10 / 20 | 5 / 4 | 0.266 |
Side | ||||
R/L | 22/17 | 16/14 | 6/3 | 0.704 |
Labral damage | 0.198 | |||
No tear | 18 | 16 | 2 | |
Full-thickness | 11 | 8 | 3 | |
Degenerative | 10 | 6 | 4 | |
Cartilage damage | 0.002 | |||
Gr 0 | 10 | 10 | 0 | |
Gr I | 11 | 11 | 0 | |
Gr II | 10 | 5 | 5 | |
Gr III~IV | 8 | 4 | 4 | |
Pre-op Tönnis stage | 0.021 | |||
Stage 0 | 9 | 9 | 0 | |
Stage I | 15 | 13 | 2 | |
Stage II | 15 | 8 | 7 | |
Mean symptoms duration (months) | 33.6 ± 31.7 | 32.5 ± 31.1 | 37.3 ± 35.3 | 0.624 |
Spur regrowth | 5/39 | 3/30 | 2/9 | 0.586 |
Pre-op VAS | 6.8 ± 1.0 | 6.7 ± 1.1 | 7.1 ± 0.6 | 0.309 |
Post-op VAS | 2.2 ± 2.1 | 1.3 ± 1.2 | 5.2 ± 1.1 | < 0.001 |
VAS decrease | 4.6 ± 2.1 | 5.4 ± 1.5 | 1.9 ± 1.4 | < 0.001 |
Pre-op HHS | 61.1 ± 9.3 | 62.5 ± 9.4 | 56.4 ± 7.8 | 0.068 |
Post-op HHS | 84.2 ± 10.8 | 88.2 ± 8.8 | 70.9 ± 3.6 | < 0.001 |
HHS increase | 23.1 ± 11.5 | 25.6 ± 11.5 | 14.4 ± 6.3 | 0.001 |