Outcome | APM (n=70) | Placebo surgery (n=74) | P Value |
Satisfied patients | 54 (77.1) | 58 (78.4) | 1.000 |
Improved patients | 61 (87.1) | 63 (85.1) | 0.812 |
Treatment-group unblinding | 5 (7.1) | 7 (9.2) | 0.767 |
Reoperations | 4 (5.7) | 7 (9.2) | 0.537 |
Arthroscopy | 2 (2.9) | 6 (7.9) | 0.279 |
HTO/TKR | 2 (2.9) | 1 (1.3) | 0.607 |
Returned to normal activities | 50 (72.5) | 58 (78.4) | 0.442 |
Serious adverse events | 1 (1.4) | 0 | 0.479 |
Mechanical symptoms | 18 (25.7) | 15 (20.3) | 0.552 |
Meniscal tests | |||
Positive McMurray test | 6 (8.6) | 5 (6.8) | 0.760 |
Pain provoked by forced flexion and compression | 8 (11.4) | 10 (13.5) | 0.803 |
Pain provoked by palpation at the joint line | 22 (31.4) | 21 (28.8) | 0.855 |
At least one positive meniscal test | 26 (37.1) | 25 (33.8) | 0.729 |
HTO, high tibial osteotomy; TKR, total knee replacement.