Table 2.
Comparison of parameters of patients before surgery and at the last follow-up
| Parameter | TSM | The last follow-up | Power(1-β err prob) | OSM | The last follow-up | Power(1-β err prob) |
|---|---|---|---|---|---|---|
| Before surgery | Before surgery | |||||
| Cases | 66 | 59 | ||||
| Follow-up time (Year) | 1.5–5 (3.4) | 1.5–5 (3.5) | ||||
| Lysholm rating | ||||||
| Excellent | 44 | 43 | ||||
| Good | 12 | 8 | ||||
| Better | 7 | 6 | ||||
| Poor | 3 | 2 | ||||
| The excellent rate | 84.8% | 86.4% | ||||
| Postoperative Complications | # | 0.82 | ||||
| None | 58 | 58 | ||||
| Hemarthrosis | 5 | 0 | ||||
| Synarthrophysis | 3 | 1 | ||||
| Lysholm score | 77.4 ± 2.7 | 94.3 ± 3.4* | 1 | 76.7 ± 2.8 | 95.4 ± 3.5* | 1 |
| Medial displacement of patella | 0.76 ± 0.21 | 1.25 ± 0.27* | 1 | 0.78 ± 0.23 | 1.28 ± 0.19* | 1 |
| Kujala score | 60.4 ± 8.6 | 84.5 ± 9.2* | 1 | 60.7 ± 8.7 | 84.2 ± 8.9* | 1 |
| VAS | 7.5 ± 2.5 | 2.3 ± 1.3* | 1 | 7.4 ± 2.4 | 2.1 ± 1.2* | 1 |
* Compared with pre-operation, the last follow-up P < 0.001
# Compared with TSM, the last follow-up P < 0.05