Table 3 Comparison of preoperative and postoperative factors between two groups
Factors | Effective group (n = 88) | Invalid group (n = 16) | P value |
|---|---|---|---|
Age (y) | 60.59 ± 6.95 | 67.63 ± 9.11 | 0.009* |
Sex:female | 59 (67%) | 9 (56%) | 0.238 |
BMI (kg/m2) | 27.71 ± 3.43 | 30.09 ± 1.86 | < 0.001* |
Duration of symptoms (y) | 6.56 ± 5.36 | 8.40 ± 6.21 | 0.281 |
K–L grade | < 0.001* | ||
K–L grade II | 54 (61%) | 4 (25%) | |
K–L grade III | 26 (30%) | 4 (25%) | |
K–L grade IV | 8 (9%) | 8 (50%) | |
Pre-PTSA (°) | 9.29 ± 3.52 | 9.17 ± 3.79 | 0.906 |
Pre-HKAA (°) | 7.20 ± 3.27 | 9.72 ± 2.44 | 0.004* |
Pre-MPTA (°) | 86.14 ± 2.30 | 84.91 ± 2.44 | 0.175 |
Pre-BPI | 0.75 ± 0.11 | 0.76 ± 0.16 | 0.706 |
Pre-WOMAC | 72.82 ± 13.55 | 70.06 ± 8.96 | 0.436 |
Post-PTSA (°) | 7.24 ± 3.24 | 7.83 ± 3.89 | 0.578 |
Post-HKAA (°) | − 2.12 ± 1.62 | − 1.68 ± 1.36 | 0.262 |
Post-MPTA (°) | 92.26 ± 2.42 | 92.60 ± 2.76 | 0.647 |
Post-BPI | 0.74 ± 0.12 | 0.73 ± 0.18 | 0.795 |