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Means, standard deviations (SD), minimums, medians and maximums of the knee score according to the period: preoperative, 3 months and 6 months according to the evaluation in the different language.
| Knee score | Period | Language | N | Mean | SD | Minimum | Median | Maximum |
| Pre | English | 70 | 65.53 | 18.84 | 23 | 64.5 | 97 | |
| Portuguese | 70 | 65.53 | 18.63 | 23 | 64.5 | 99 | ||
| 3 months | English | 70 | 92.23 | 5.73 | 63 | 94 | 99 | |
| Portuguese | 70 | 92.21 | 5.72 | 63 | 94 | 99 | ||
| 6 months | English | 70 | 93.06 | 4.35 | 76 | 94 | 99 | |
| Portuguese | 70 | 92.94 | 4.34 | 76 | 94 | 98 | ||
