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Number of patients completing the questionnaires at the various visits
| No. of patients available at | ||||
|---|---|---|---|---|
| T0 | T0 + 3 months | T0 + 6 months | T0 + 12 months | |
| BPI II questionnaire (severity and interference) | 207 | 207 | 150 | 121 |
| Harris Hip Score | 207 | 207 | 150 | 121 |
| VAS of pain | 165 | 176 | 128 | 104 |
