Table 3

Secondary outcomes of the trial at 24-month follow-up. Values are numbers (percentage)

OutcomeAPM (n=70)Placebo surgery (n=74)P Value
Satisfied patients54 (77.1)58 (78.4)1.000
Improved patients61 (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 activities50 (72.5)58 (78.4)0.442
Serious adverse events 1 (1.4) 00.479
Mechanical symptoms18 (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 line22 (31.4)21 (28.8)0.855
 At least one positive meniscal test26 (37.1)25 (33.8)0.729
  • HTO, high tibial osteotomy; TKR, total knee replacement.