Table 3.
Improvement in the Knee Injury and Osteoarthritis Outcome Score (KOOS) and Lysholm Score
| BPTB | HT | Mean improvement (BPTB vs HT)b P value |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Preoperative | Follow-upa | Mean improvement | No. | Preoperative | Follow-upa | Mean improvement | ||
| KOOS | |||||||||
| Pain | 625 | 79.0 ± 14.9 | 87.0 ± 11.8 | 8.0 | 4741 | 79.8 ± 15.5 | 89.3 ± 11.5 | 9.5 | 0.02 |
| Symptoms | 625 | 75.6 ± 16.9 | 82.2 ± 14.9 | 6.6 | 4740 | 75.7 ± 17.2 | 82.2 ± 25.6 | 6.5 | n.s. |
| ADL | 615 | 88.0 ± 13.0 | 93.7 ± 8.8 | 5.7 | 4734 | 88.2 ± 14.0 | 95.4 ± 8.4 | 7.2 | 0.006 |
| Sports | 593 | 48.8 ± 24.7 | 64.1 ± 21.8 | 15.3 | 4507 | 50.7 ± 26.6 | 74.9 ± 21.8 | 24.2 | < 0.001 |
| QOL | 606 | 35.9 ± 17.5 | 58.0 ± 19.7 | 22.1 | 4608 | 38.3 ± 21.4 | 64.1 ± 22.1 | 25.8 | 0.001 |
| Lysholm Score | 660 | 70.1 ± 15.7 | 84.6 ± 12.1 | 14.5 | 4005 | 70.0 ± 15.9 | 84.0 ± 12.6 | 14.0 | n.s. |
Data are presented as the mean ± SD
No. number of patients with scores available preoperatively and postoperatively, BPTB bone–patellar tendon–bone, HT hamstring tendons, ADL Activities of Daily Living, QOL Quality of Life
aSix months for the Lysholm score, 1 year for the KOOS
bCovariates applied to the model are age, gender, meniscal and cartilage injuries