Table 2.
Details of participants commencing allocated intervention. Values are numbers (percentages) of participants unless stated otherwise
| Variables | Arthroscopic surgery (n=99) | Physiotherapy programme* (n=96) |
|---|---|---|
| Time from randomisation to surgery or starting physiotherapy (days): | ||
| Median (interquartile range) | 86 (59-132) | 44 (33-61) |
| Range | 5-435 | 14-251 |
| Physiotherapy programme† | ||
| No of sessions attended: | ||
| Median (interquartile range) | – | 6 (4-8) |
| Range | – | 1-8 |
| Duration of first session (mins): | – | |
| Median (interquartile range) | – | 60 (60-60) |
| Range | – | 30-95 |
| Duration of follow-up sessions (mins): | – | |
| Median (interquartile range) (n=83) | 30 (30-30) | |
| Range | – | 20-60 |
| Surgical intervention | ||
| Labral procedure only‡ | 9 (9) | – |
| Femoral osteochondroplasty | 66 (67) | – |
| Acetabular osteochondroplasty (rim-trim) | 5 (5) | – |
| Femoral osteochondroplasty+acetabular osteochondroplasty (rim-trim) | 19 (19) | |
| No labral procedure | 4 (4) | – |
| Labral repair | 70 (70) | – |
| Labral debridement | 25 (25) | – |
| No microfracture | 90 (90) | – |
| Microfracture | 9 (9) | – |
| No of physiotherapy sessions attended: | ||
| Median (interquartile range) | 4 (2.5-6) | – |
| Range | 1-14 | – |
| Operation time (n=77): | ||
| Median (interquartile range) | 55 (45-80) | – |
| Range | 22-160 | – |
*
Includes activity modification. Five patients commenced but did not complete the programme.
†
Information available for 88 of 91 patients who completed the physiotherapy programme.
‡
Greater degree of osteoarthritis found at arthroscopy than was evident preoperatively, and no osteochondroplasty performed in three patients. In six patients there was no evidence of femoroacetabular impingement on intraoperative assessment.