Table 1. Translation steps fulfilled by each questionnaire according to guidelines from Beaton et al. 14 .
| Questionnaire | Translation | Synthesis of translations | Back translation | Analysis by Committee | Pre-test of final version | Score |
|---|---|---|---|---|---|---|
| Brazilian Portuguese | ||||||
| ADLS- KOS 25 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| IKDC 32 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| LEFS 28 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| Lequesne 31 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| SPFD 30 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| VISA – P 29 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| WOMAC 34 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| KSS 27 | ✔ | ✔ | 0 | ✔ | ✔ | 4 |
| SAS – KOS 24 | ✔ | 0 | 0 | ✔ | ✔ | 3 |
| Lysholm 26 | ✔ | X | X | X | ✔ | 2 |
| Portuguese from Portugal | ||||||
| KOS- ADLS 19 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| OKS 23 | ✔ | ✔ | ✔ | ✔ | ✔ | 5 |
| ICOAP 22 | ✔ | ✔ | 0 | ✔ | ✔ | 4 |
| KOOS 21 | ✔ | ✔ | 0 | ✔ | ✔ | 4 |
| KOOS-PS* 20 | ✔ | ✔ | 0 | ✔ | ✔ | 4 |
*
✔ - The step is present; X - The step is not present or has not been specified in the study; 0 - The step is present, but not in the proper way; - Questionnaire adapted from KOOS; Lequesne - Algofunctional Lequesne Questionnaire.