Table 3.
Oxford Knee Score Results
|
Baseline n = 33b |
1 month n = 32b |
3 months n = 31b |
6 months n = 32b |
12 months n = 30b |
18 months n = 25 |
24 months n = 18 |
|
|---|---|---|---|---|---|---|---|
| Oxford Knee Scorea | |||||||
| Mean ± SD | 20.2 ± 7.3 | 35.0 ± 7.5 | 34.9 ± 8.6 | 36.9 ± 8.2 | 40.6 ± 11.7 | 47.2 ± 8.1 | 46.8 ± 10.3 |
| 95% CI | 17.7 to 22.9 | 32.3 to 37.7 | 31.8 to 38.1 | 34.0 to 39.9 | 36.2 to 45.0 | 43.8 to 50.5 | 41.7 to 52.0 |
| Distribution of Oxford Knee Score classificationa | |||||||
| Score 0 to 19 (severe) | 18 (54.6) | 2 (6.3) | 2 (6.5) | 1 (3.1) | 2 (6.7) | 0 (0.0) | 0 (0.0) |
| Score 20 to 29 (moderate to severe) | 11 (33.3) | 4 (12.5) | 7 (22.6) | 4 (12.5) | 6 (20.0) | 1 (4.0) | 1 (5.6) |
| Score 30 to 39 (mild to moderate) | 4 (12.1) | 17 (53.1) | 12 (38.7) | 14 (43.8) | 1 (3.3) | 4 (16.0) | 5 (27.8) |
| Score 40 to 48 (satisfactory function) | 0 (0.0) | 9 (28.1) | 10 (32.3) | 13 (40.6) | 21 (70.0) | 20 (80.0) | 12 (66.7) |
a
Data are presented as mean and standard deviation (SD) along with 95% confidence interval (CI), or number of subjects (%).
b
Data from original study were included from baseline to 12 months for subjects enrolled in this extension study.